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Most people have no idea they’re carrying around a hidden chemical load that their bodies weren’t designed to handle. But the reality is, we’re living in a world saturated with per- and polyfluoroalkyl substances, commonly known as PFAS. These synthetic compounds are engineered to resist heat, water, and oil — and they don’t just stay on the surface.

Once these substances enter your bloodstream, they’re incredibly hard to get rid of. That’s why researchers are searching for real, practical solutions. Many believe that detoxing PFAS is a lost cause — that once they’re in your body, they’re in for good. But evidence suggests otherwise.

It turns out your gut, not your liver or kidneys, is one key to turning this around. And the solution doesn’t involve harsh protocols or extreme diets. It starts with something as simple as how you digest your food — and whether the right kind of fiber is present to help carry these chemicals out.

If you’ve ever wondered why you’re dealing with persistent fatigue, inflammation, hormone problems, or chronic digestive issues, PFAS could be part of the story. These chemicals hijack your system slowly and silently. But there’s now a realistic path to lowering that burden, and it starts by focusing on what’s happening in your gut.

4 Weeks of Fiber Lowered Toxic PFAS in the Blood

A study published in Environmental Health evaluated 72 adult men with elevated LDL cholesterol who were already enrolled in a trial testing oat beta-glucan’s effects on cholesterol.1

Beta-glucans are a type of soluble fiber found in oats and barley that form a gel-like substance in your gut, helping to trap and remove compounds like bile acids and, as this study explored, PFAS as well. PFAS chemicals, also known as “forever chemicals,” are notoriously hard to remove from the body, so the researchers wanted to know: could a fiber intervention make a dent?

• Participants received either a fiber-rich supplement or a placebo for four weeks — All participants followed the original protocol, consuming either an oat beta-glucan drink (1 gram (g) of beta-glucan and 1.9 g total fiber per serving, three times daily) or a brown rice drink with no active fiber. Blood samples were collected at baseline and after four weeks to measure 17 different PFAS types.

• PFAS levels dropped significantly but only in the fiber group for legacy PFAS — While short-chain PFAS decreased in both groups, likely due to their shorter half-lives, the study found that only the group consuming beta-glucan showed significant reductions in long-chain PFAS known to persist for years in the body.

These included perfluorooctanoic acid (PFOA) and perfluorooctanesulfonate (PFOS) — two of the most studied PFAS compounds, both associated with increased cancer and hormone disruption risks.

• PFAS reductions occurred even in men with exposure levels typical of the general population — Researchers noted that all participants had detectable PFAS levels at the start of the study. The levels of certain PFAS were higher than previously reported in Canadian populations, suggesting rising background exposure. Despite this, the beta-glucan intervention still reduced PFAS levels, showing promise even for people without known occupational or high-dose environmental exposure.

• Only the fiber group saw a drop in the most concerning types of PFAS — These specific PFAS, identified by the U.S. National Academies of Sciences, Engineering, and Medicine (NASEM), are known to increase the risk for serious health issues like thyroid disease, kidney problems, ulcerative colitis and certain cancers.

If your blood level of these seven PFAS reaches just 2 nanograms per milliliter, doctors are advised to monitor your cholesterol, blood pressure during pregnancy and breast cancer risk. At 20 nanograms per milliliter, the recommendations expand to include regular screening for thyroid disease, testicular cancer and more. In the study, only the fiber group had a meaningful reduction in this high-risk PFAS group.

• The proposed mechanism is the fiber’s ability to trap PFAS in your digestive tract — Researchers believe the gel-forming fiber worked because PFAS share biochemical properties with bile acids — compounds already known to bind to beta-glucan and get flushed out in feces. PFAS and bile acids are both amphipathic, meaning they have both water-loving and fat-loving parts. This allows them to interact with fiber gels and get excreted rather than reabsorbed.

Most PFAS don’t leave your body easily. Once excreted into the bile, they’re typically reabsorbed in your intestine, returning to your liver in a loop. Beta-glucan breaks this cycle by holding PFAS in your gut, giving your body a chance to eliminate them through stool rather than cycling them back into your bloodstream.

Oat Beta-Glucan Helped Mice Eliminate PFAS

In a related study published in Toxicology and Applied Pharmacology, researchers from Boston University used mice to examine whether oat beta-glucan could reduce the body’s PFAS load.2 They exposed mice to a mixture of seven PFAS compounds in drinking water while feeding them diets that included either inulin, a non-gel-forming fiber, or oat beta-glucan — a gel-forming fiber.

• Despite drinking more contaminated water, fiber-fed mice had lower PFAS in their blood — The mice fed beta-glucan consumed more PFAS-contaminated water, yet ended up with lower blood levels of some of the most harmful PFAS. This suggests that the fiber helped block reabsorption of PFAS in the gut. In other words, even when these mice took in more of the toxic chemicals, their bodies were better at flushing them out before they could circulate back into the bloodstream.

• Mice on the fiber diet had better fat metabolism and lower liver fat — The beta-glucan-fed mice showed lower liver triglycerides and reduced fat accumulation in the small intestine and fat tissue overall. This matters because PFAS have been linked to metabolic disruption and fatty liver disease. These findings suggest that fiber offers a double benefit: lowering toxic load while improving fat regulation in the body.

• Fiber-fed mice experienced better lipid balance without triggering other stress responses — The researchers also looked at markers of liver stress and detoxification. A key enzyme linked to chemical detox was lower in the fiber-fed group during the cleansing phase, indicating that their bodies were under less toxic stress after PFAS exposure.

How to Reduce Your PFAS Burden with Targeted Fiber and Smarter Food Choices

If you’re dealing with fatigue, hormone issues or unexplained weight gain, and you’ve already cleaned up your water, cookware and household products, you could be missing the last piece of the puzzle: what’s stuck inside your body. PFAS aren’t just external threats; they’re internal ones too.

Once these forever chemicals get in, they linger for years unless you take direct steps to push them out. Here’s where smart, gut-focused nutrition comes in. The right type of fiber, at the right time, makes a meaningful difference in your toxic load. But timing and your gut’s condition matter. So, if you’re trying to reduce PFAS levels in your system, start here:

1. Check your gut health first — If you regularly feel bloated after meals, go days without a bowel movement or have frequent loose stools, your gut likely isn’t ready for high-fiber foods. Don’t guess — listen to your symptoms. These are signs that your microbiome is imbalanced and your gut lining is inflamed or damaged. For now, avoid complex carbs and stick to simpler ones like fruit and white rice while your gut settles down.

2. Avoid fiber and fermentable carbs if your digestion is impaired — A damaged gut can’t handle even “healthy” foods. Beans, leafy greens, cruciferous veggies and whole grains all ferment quickly and feed the wrong microbes when your gut is compromised. That drives more bloating, inflammation and gas. In this phase, you want fuel that doesn’t backfire — whole fruit and cooked starches that digest cleanly without fermenting too fast.

3. Reintroduce fermentable fibers in small amounts once your gut calms — When your bloating stops and your digestion becomes regular, that’s your green light. Start with resistant starches like cooked-and-cooled white potatoes or green bananas. These feed butyrate-producing bacteria — the kind that protect your gut lining and regulate inflammation. Slowly add in garlic, leeks and onions. Keep portions small and build up as your tolerance improves.

4. Eat foods high in beta-glucans once your gut is stable — Oats and barley contain beta-glucan, which binds to PFAS in your digestive tract and helps your body eliminate them through your stool. Once your digestion is in good shape, make this fiber part of your daily routine. Other good sources include organic rye, maitake and shiitake mushrooms, and seaweed like kombu.

Be mindful of your portions though, as most seaweeds contain polyunsaturated fats, including linoleic acid, which is harmful to your health in excessive amounts. Choose whole, minimally processed forms of beta-glucans whenever possible to get the most benefit.

5. Cut off PFAS exposure at the source — While you work to flush them out, don’t let more in. Use a water filter certified for PFAS. Stop storing food in nonstick containers or wrappers. Replace your nonstick cookware with stainless steel, ceramic or enameled cast iron. Skip stain-resistant treatments on clothes and furniture. PFAS are everywhere, but the more you avoid them now, the less your body has to fight later.

FAQs About Removing PFAS with Fiber

Q: What are PFAS and why are they dangerous?
A: PFAS are synthetic chemicals used in nonstick cookware, food packaging, stain-resistant fabrics, and firefighting foams. They build up in your blood, liver and fat tissues and don’t easily break down. Long-term exposure has been linked to liver damage, hormone disruption, cancer, immune suppression, and infertility.

Q: How do PFAS stay in my body for so long?
A: Once PFAS enter your system, usually through contaminated water or food, they’re reabsorbed in your intestines and recirculated back to your liver in a loop. This recycling is what gives PFAS such long half-lives — many remain in your body for years unless that cycle is broken.

Q: Does fiber really help remove PFAS from my body?
A: Yes. Clinical research in humans and animals has shown that gel-forming fibers like oat beta-glucan bind PFAS in your gut and stop them from being reabsorbed. This allows your body to eliminate them through stool, reducing your overall PFAS burden over time.

Q: Should I add fiber to my diet immediately?
A: Not necessarily. If you have symptoms of gut dysfunction, like bloating, constipation, loose stools or food intolerances, you need to heal your gut first. Starting fiber too soon makes things worse. Begin with simple, low-fiber carbs like whole fruit or white rice, then reintroduce fiber slowly once your digestion stabilizes.

Q: What are the best ways to lower PFAS exposure and support detox?
A: Avoid sources of PFAS exposure. Use PFAS-certified water filters, stop using nonstick cookware and stain-resistant products, and limit packaged foods. Once your gut is ready, include small amounts of beta-glucan-rich foods like organic oats or barley. Over time, this helps reduce PFAS levels while also improving your gut health and immune resilience.

Akkermansia muciniphila, a gut microbe you may have never heard of, is gaining attention in the world of metabolic health. This oval-shaped, anaerobic bacterium was first isolated in 2004 and has since become a subject of intense research. Akkermansia is unique in its ability to thrive in your intestinal mucus layer, using mucin as its primary food source. This gives it a survival advantage that isn’t strictly dependent on your diet.

Akkermansia is a significant player in your intestinal ecosystem, but as you age, the abundance of Akkermansia in your gut changes. It’s present in breast milk and increases rapidly in infants, reaching adult levels by age 2.1

Your diet also impacts Akkermansia levels, with high-sugar or high-fat diets reducing its abundance, while calorie restriction and certain prebiotics can increase it.2 Many mainstream media outlets have picked up on Akkermansia’s health potential, including its reputation for being a “game-changer for weight loss.”3,4 Research suggests this attention is well-founded, with a growing body of preclinical evidence now informing early human studies.

Akkermansia and Body Composition Research

Obesity has become a major health concern, and Akkermansia is one area researchers are studying as part of metabolic health approaches. Studies have consistently shown that obese individuals tend to have lower levels of Akkermansia in their gut compared to lean individuals.5 This observation has led researchers to investigate whether supplementing with Akkermansia could help with obesity.

• Animal studies have shown promising results — When obese mice were given live Akkermansia, they showed reduced gain in fat mass and improved insulin sensitivity markers.6 This suggests Akkermansia may have a role in glucose and lipid metabolism, though most direct evidence remains preclinical.

• Akkermansia has been linked to lower inflammation markers — In studies, higher Akkermansia levels correlated with lower levels of inflammatory markers like TNF-α and interleukin-6,7 which are often elevated in obese individuals.

The bacterium also produces short-chain fatty acids (SCFAs) like acetate and propionate, which may contribute to glucose and lipid metabolism as well as weight regulation.8

Akkermansia and Natural GLP-1 Production

Injectable glucagon-like peptide 1 (GLP-1) agonists like Ozempic (semaglutide) have become widely used for weight loss. However, there are side effects reported in connection with these drugs, including disproportionate loss of muscle mass (associated with frailty), thyroid C-cell tumors in animal models, kidney dysfunction, pancreatitis, and intestinal obstruction.9,10

One disproportionality analysis published in JAMA Network Open also found that suicidal ideation was reported 45% more frequently among semaglutide users than expected relative to other drugs in the World Health Organization (WHO) adverse-event database.11 However, regulatory reviews have not established a causal association.12

There is growing interest in whether the body’s own GLP-1 production can also be supported through the gut microbiome. A study published in Nature Microbiology demonstrated that Akkermansia may not only help enhance thermogenesis but also induce GLP-1 secretion in mice fed a high-fat diet, suggesting a mechanistic overlap between GLP-1 agonist activity and the effects Akkermansia may have on natural GLP-1 secretion.13

In my interview with Dr. Colleen Cutcliffe, a molecular biology scientist and co-founder/CSO of Pendulum Therapeutics (a company that manufactures Akkermansia probiotic products), she discussed how naturally elevating GLP-1 levels by increasing the presence of Akkermansia may support metabolic health:

“When it was observed that people with Type 2 diabetes or prediabetes were low in Akkermansia, it was believed that it was because of this mucin deficiency. But as people started to study Akkermansia more, and the microbiome in general, what’s become clear is that it’s a lot more direct than just the mucin layer.

What happens in your body naturally, if you’ve got all the right microbes, is that you eat a meal, your microbiome metabolizes that food and generates postbiotics [excretions from beneficial bacteria] like butyrate [and] a protein called P9. Some of these postbiotics then signal your body to produce GLP-1.

All that signaling is happening from the microbiome directly to the L cells. And so you eat a meal, your microbiome digests them, these postbiotics get created and tell your L cells, ‘Hey, go produce GLP-1,’ and then you get a spike in GLP-1 in your body.

GLP-1 stimulates your body too. It says, ‘We’ve got to metabolize the sugar in the bloodstream, release insulin.’ It also signals to your brain, ‘We just ate, we’re full, we don’t need to eat again.’ After a period of time, GLP-1 goes down — until the next time you eat a meal. Then it spikes again.

So that’s the natural way of things. There are only two strains that have been published, to date, that have been shown to be able to stimulate L cells to produce GLP-1, and one of them is Akkermansia. It actually secretes three different [postbiotics] that stimulate L cells to produce GLP-1.

So, what’s been found is that if you are low or missing Akkermansia, your body is not naturally producing as much GLP-1 as it’s supposed to be. By giving people back Akkermansia, you can now have these physiological benefits of reducing A1C and lowering blood glucose spikes.

To be clear, the natural GLP-1 you produce is different from the drug. The drug is a mimic. It’s an analog. It looks like GLP-1. It gets injected into the bloodstream directly, which means that rather than the natural spike after you eat [followed by a decline], the [drug] is keeping those levels really high all the time.

So, this signaling of ‘we got to metabolize sugar in the blood and we’re full, we just ate’ is going on constantly. That’s why people experience these incredible, amazing overnight effects because that’s how those drugs are working. But if you actually have the right microbes, you can generate your body’s natural GLP-1 and get back into this natural cycle.”

Akkermansia in Metabolic and Cardiovascular Research

Akkermansia has also been studied in the context of other metabolic conditions, particularly Type 2 diabetes and cardiovascular disease (CVD). Studies have found that individuals with Type 2 diabetes often have lower levels of Akkermansia in their gut. When diabetic mice were supplemented with Akkermansia, they showed improvements in glucose tolerance markers and intestinal barrier function.14

• Akkermansia’s effects on gut and cardiovascular markers — By supporting intestinal barrier integrity, Akkermansia may help regulate chronic low-grade inflammation markers in insulin resistance. In preclinical animal research, Akkermansia supplementation was found to correlate with improvements in Western diet-induced atherosclerosis markers.15

• It achieves this by inhibiting the formation of trimethylamine N-oxide (TMAO) — This is a compound linked to increased cardiovascular risk. These findings suggest that Akkermansia may play a role in supporting healthy blood-sugar and cardiovascular markers, though most direct evidence remains preclinical.16

Akkermansia — Your Gut’s Tiny Guardian

Sometimes called the “sentinel of the gut,” Akkermansia may help support gut barrier integrity, regulate immune reactions, lower inflammatory response markers, and support a healthy balance of beneficial bacteria.17 It may also serve as a marker for a favorable metabolic profile.18

• Akkermansia plays a role in strengthening your intestinal barrier — This is your body’s first line of defense against harmful substances. Akkermansia may help increase the number of mucus-producing goblet cells in your colon and regulate mucus layer thickness by both metabolizing and stimulating the production of new mucin. This process not only provides nutrients for the bacterium but also helps maintain the protective shield for your intestinal epithelial cells.19

• It may also affect gene expression — Akkermansia has been shown to influence the expression of genes involved in immune regulation and metabolism,20 and may accelerate the development of intestinal epithelial cells by stimulating the proliferation of intestinal stem cells.

It may also help increase the expression of the Wnt signaling pathway and promote the production of SCFAs, which interact with specific receptors to maintain the proliferation of intestinal stem cells and promote the differentiation of specialized cells.21

• Furthermore, Akkermansia may upregulate the expression of tight junction proteins — These are key regulators of your intestinal epithelial barrier function. These proteins control the passage of molecules through your epithelial layer based on their size and charge, physically impeding the invasion of microorganisms.

Akkermansia’s extracellular vesicles have been shown to reduce intestinal permeability in mice by modulating these tight junctions. By influencing these various components of the intestinal barrier, Akkermansia may help support the gut’s defense system.22

• Akkermansia interacts with specific receptors to activate the NF-κB pathway — It not only regulates your intestinal immunological microenvironment but also helps prevent intestinal inflammation. By modulating these various inflammatory pathways, Akkermansia plays an important role in maintaining the delicate balance of your gut’s immune system, with potential implications for inflammatory bowel conditions.23

The Role of a Balanced Microbiome in Gut Health

The diverse array of microorganisms inhabiting your gut demonstrates resilience and harmony, with countless microscopic life forms working together to safeguard your health. By nurturing beneficial, oxygen-intolerant bacteria like Akkermansia, you may help support intestinal barrier health, reduce endotoxin exposure, and cultivate a healthier gut environment.

• These bacteria metabolize dietary fibers, producing SCFAs, primarily butyrate — This compound serves as the main fuel for colonic epithelial cells, empowering them to reinforce your intestinal barrier. Additionally, SCFAs stimulate goblet cells to produce mucin, which may help defend epithelial cells against pathogenic oxygen-tolerant bacteria.

• When the oxygen-intolerant bacterial population diminishes, it can lead to leaky gut syndrome — In this condition, the large intestine’s lining may become compromised, which may allow substances like endotoxins, undigested food particles, and microbes to pass through tight junctions that normally control this passage. Research has associated this with systemic inflammation and various chronic conditions.

• Oxygen-intolerant bacteria play a vital role in gut health — These bacteria thrive in an oxygen-free environment, which requires adequate cellular energy to maintain. However, modern factors like seed oil consumption and toxin exposure may compromise mitochondrial energy production, limiting your ability to maintain a gut environment with little to no oxygen present.

• Excessive seed oil consumption shifts the bacterial population from oxygen-intolerant to oxygen-tolerant species — This shift is significant because oxygen-tolerant bacteria produce more virulent endotoxins than their oxygen-intolerant counterparts. This could mean individuals with an abundance of oxygen-tolerant bacteria in their gut may experience more severe reactions to plant carbohydrates due to increased endotoxin exposure.

Grasping the interconnected relationship among cellular energy generation, oxygen distribution in your gut, and microbial diversity is essential for peak wellness, both physical and mental. Enhancing mitochondrial function and preserving a well-balanced intestinal ecosystem can foster the growth of beneficial oxygen-intolerant bacteria while reducing the negative effects of harmful endotoxins.

Top Akkermansia Health Benefits

Akkermansia can be a notably beneficial member of the gut microbiome, with reported relative abundances of approximately 1% to 4% in healthy adult populations.24 However, DNA analyses suggest that about one-third of people have few to no Akkermansia, which may be related to factors like poor cellular energy metabolism and resulting low oxygen levels in the gut. To summarize, here are some of the ways Akkermansia may benefit your health:

• Diabetes risk — DNA sequencing has observed that individuals with prediabetes and Type 2 diabetes often have lower levels of Akkermansia or are missing this strain. (This is an observational association, not an established treatment effect.)

• Gut mucin layer — Researchers have found through both human and animal studies that Akkermansia is the only strain known to date that regulates the mucin layer. Cutcliffe describes it as “the ‘glue’ that keeps your gut lining strong.” She further explains:

“You have these epithelial cells and the junctions between them are held together by glue, which is called mucin. When the mucin layer gets too thin, you lose those tight junctions, and that’s where you can start to get things moving across that boundary that are not supposed to move across it.

So, it’s important to have a strong gut lining and Akkermansia is the only strain we know of that is there at the mucin layer, both consuming and regenerating it, and really regulating that layer. That’s why it’s so pivotal to all these different disease states, because it’s basically in charge of your gut lining.”

• Autoimmune-related research — Studies suggest that leaky gut may be related to Akkermansia loss. Some researchers consider this a contributing factor in autoimmune-related conditions, though it remains an area of active investigation.

• Food sensitivities, allergies, and inflammation — These conditions are associated with mucin layer dysfunction and tight junction permeability. Research suggests that supporting Akkermansia levels may help restore mucin layer integrity and tight junction function.

Why Mitochondrial Function Is Key to Successful Akkermansia Supplementation

When your cellular energy decreases, your body struggles to effectively eliminate oxygen from your colon. This has serious consequences for the normal inhabitants of your colon, which can be killed when oxygen levels rise. This is why Akkermansia supplementation alone is not a complete solution.

• It is important to address mitochondrial-toxin exposure before supplementing — Reduced mitochondrial function may need to be addressed so the colon can maintain its oxygen-free environment. Without this preparation, Akkermansia supplements may have limited benefit, as newly introduced Akkermansia bacteria may not survive in an oxygen-rich colon environment.

• This is one of the primary reasons why it’s important to eliminate seed oils from your diet — Aim for at least six months of seed oil-free eating before beginning the two-phase live-Akkermansia supplementation I will outline in the next section. This preparatory period helps support mitochondrial function and create a more hospitable colon environment.

By taking these steps, you can maximize the potential benefits of Akkermansia supplementation and support overall gut health. Remember, addressing the root cause — mitochondrial function and colon oxygenation — is essential for the success of any gut health intervention.

Two-Phase Akkermansia Supplementation

Rather than jumping straight to live bacteria, I recommend a two-phase approach to Akkermansia supplementation:

1. Phase 1: Begin with a pasteurized Akkermansia postbiotic — Pasteurized Akkermansia contains the protein Amuc_1100, which has been shown to help support gut barrier integrity and reduce inflammation markers. Look for postbiotic formulas with enteric coating or microencapsulation so they survive stomach acid and reach the colon intact. Without that protection, very little will survive the trip. Megadosing to compensate is expensive and inefficient, so prioritize coated formats.

2. Phase 2: Introduce live Akkermansia only after gut tolerance is established — Specifically, wait until bloating remains minimal or absent, stool form has been consistent for at least seven days, and fiber tolerance has expanded without symptom return.
In Phase 2, pair the live probiotic with gentle prebiotics like small amounts of resistant starch to support butyrate-producing strains and a healthy oxygen-sensitive microbial environment. For live-Akkermansia formulations, look for delayed-release technology and take on an empty stomach to support survival through the upper digestive tract.

Probiotic Potency Explained — CFU, AFU, and TFU

When evaluating the potency of probiotics, two units of measurement often come into discussion: Colony Forming Units (CFU) and Active Fluorescent Units (AFU). Understanding the distinction between these units is crucial for both consumers and healthcare professionals to assess the effectiveness and quality of probiotic supplements accurately.

• Colony Forming Units (CFU) — This is the most widely recognized and utilized metric for quantifying the number of viable bacteria or fungal cells in a probiotic product. One CFU represents a single microorganism capable of dividing and forming a colony under specific laboratory conditions. This measure is relevant because the effects of probiotics tend to correlate with the number of live microorganisms that reach the gut.

Probiotic manufacturers typically list CFU counts on product labels, indicating the number of live organisms per serving. Higher CFU counts are often marketed as more potent, though the optimal CFU dosage can vary depending on the specific strains and the health outcomes targeted.

• Active Fluorescent Units (AFU) — This unit is a less conventional and not widely standardized measure in the context of probiotics. While CFU shows the number of bacteria that are alive, AFU refers to the total number of bacteria present, both dead and alive. It is primarily a unit used to measure enzymatic activity.

For instance, AFU could be used to evaluate the activity levels of specific enzymes produced by probiotics, which contribute to their health benefits, such as breaking down lactose or producing vitamins. In some specialized applications, AFU is also used to assess the metabolic activity or functional potency of probiotic strains beyond mere viability.

However, because AFU is not a standardized metric in the probiotic industry, its use can lead to confusion and inconsistency in product labeling and efficacy claims.

• Total Fluorescent Units (TFU) — This unit measures the total bacterial mass, including both live and dead cells, through fluorescent labeling and is typically used only for pasteurized products.

The primary difference between CFU, AFU, and TFU lies in what they measure: CFU quantifies the number of live microorganisms; AFU assesses the functional activity of those microorganisms; and TFU measures the total bacterial mass.

While CFU provides a clear indicator of the potential for colonization and survival of probiotics in the gut, AFU could offer additional insights into the functional capabilities of the probiotic strains.

However, due to the lack of standardization and widespread recognition of AFU in the probiotic market, CFU remains the gold standard for assessing probiotic potency. Consumers are generally advised to focus on CFU counts and the specific strains included in a probiotic supplement to ensure they are selecting a product with proven efficacy for their health needs.

Akkermansia Clinical Trials

Clinical trials published in 2024 investigating Akkermansia have yielded promising results,25 highlighting its potential across a range of health conditions, including infectious disease,26 immune-related disease,27 liver fibrosis,28 stress management,29 intestinal-related diseases,30 metabolic health,31 and brain function.32

• Therapeutic doses vary — These studies, which include both animal and human trials, have primarily used therapeutic doses ranging from 100 million to 10 billion CFU per day. The dosage selected often corresponds to the specific health condition being targeted, ensuring optimal therapeutic effects.

• High doses are used for metabolic disorders — For metabolic conditions such as obesity, diabetes, and metabolic syndrome, study doses of 10 billion CFU per day have been commonly administered. This higher dose aims to influence gut microbiota composition and metabolic function markers, and has been associated with improvements in insulin sensitivity, glucose metabolism, and other metabolic markers in studies.

• Lower doses may be effective for gut-specific and liver-related conditions — Conversely, lower doses of 1 billion CFU per day have shown promise for gut-specific conditions like leaky gut syndrome, as well as liver health, by promoting intestinal and immune homeostasis.33

At these levels, Akkermansia’s anti-inflammatory and gut barrier mechanisms, detailed in earlier sections, may be sufficient without the need for higher bacterial concentrations.

Note: These findings are from a mix of laboratory, animal, and human clinical trials. Results may not directly apply to all individuals.

Frequently Asked Questions About Akkermansia

Q: Does Akkermansia help with weight loss?
A: Research suggests Akkermansia may play a role in weight regulation by influencing metabolism, appetite signaling, and gut health. Higher levels have been associated with lower obesity rates in observational studies.

Q: Is Akkermansia safe?
A: Akkermansia is naturally present in a healthy microbiome. Available studies have not reported serious side effects from Akkermansia supplementation, though more long-term data are needed. As with any supplement, consult your health care provider before starting.34

Q: Does Akkermansia cause diarrhea?
A: Studies have not linked Akkermansia to diarrhea. On the contrary, one study showed that its presence in the gut helped reduce the occurrence of diarrhea in children.35 However, keep in mind that sudden increases in any beneficial bacteria, including Akkermansia, may cause temporary digestive discomfort, so it’s ideal to introduce Akkermansia gradually, whether through diet or supplements.

Q: What causes low Akkermansia levels?
A: Low levels of Akkermansia can be caused by a diet low in polyphenols and soluble fiber, but high in processed foods, added sugar, and harmful fats like linoleic acid. Aging, antibiotic use, chronic stress, sedentary lifestyle,36 and metabolic disorders can also impact the gut microbiota composition,37 including Akkermansia levels.

This article is for informational purposes only and does not constitute medical advice. Consult a qualified health care provider before making changes to your health regimen.

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Collagen makes up a large share of the body’s what?

Stored sugar
Protein
Collagen makes up a large share of the body’s protein, helping support skin, connective tissue, strength, and recovery. Learn more.
Bone calcium
Blood plasma

Osteoarthritis affects more than 2.1 million Australians, and that number is rising fast.1 Joint pain, stiffness, and lost mobility are now routine problems for aging adults, but not all joint pain has the same cause. If you’re experiencing stiffness in the morning, pain in your hands, or swelling in your knees, it matters which kind of arthritis you’re dealing with.

Rheumatoid arthritis, though far less common, behaves very differently than osteoarthritis. It often strikes earlier, spreads faster and triggers symptoms beyond joint pain. Your immune system is the culprit, not aging or overuse. Too many people wait until the damage is done. That’s why this article breaks down exactly how to tell the difference between these two conditions — and more importantly, what to do about it.

What Sets Osteoarthritis and Rheumatoid Arthritis Apart

The root causes of these two conditions differ significantly. Osteoarthritis is the most common type of arthritis and occurs when the protective cartilage that cushions the ends of your bones gradually breaks down. Rheumatoid arthritis, by contrast, is an autoimmune condition where your immune system mistakenly targets the lining of your joints, causing inflammation and joint damage.2

• They affect people at different life stages — Osteoarthritis usually shows up later in life, often after age 60. Rheumatoid arthritis tends to appear earlier, usually between ages 30 and 60, but it can strike at any age.

• Progression patterns vary widely — Osteoarthritis develops slowly over years, while rheumatoid arthritis tends to worsen rapidly over a matter of weeks or months.

• Affected joints aren’t the same — Osteoarthritis commonly impacts weight-bearing joints like your knees, hips, spine, and fingers. Rheumatoid arthritis often begins in small joints, such as those in your hands, wrists, and feet — and it’s usually symmetrical.

• One type stays local, the other systemic — Osteoarthritis pain is typically limited to the affected joint. Rheumatoid arthritis often causes fatigue, appetite loss, and low-grade fever — clear signs your entire immune system is involved.

• Diagnosis tools differ — Osteoarthritis is diagnosed primarily through clinical exams and history. Rheumatoid arthritis is often confirmed with blood tests detecting specific antibodies, in addition to imaging.

Osteoarthritis Isn’t Just ‘Wear and Tear’ — It’s a Whole-Joint Disease

An article from The Conversation explains that osteoarthritis is a complex condition that impacts cartilage, bones, ligaments, and joint lining, not just the cartilage cushion between bones.3

• Early symptoms don’t always show up on scans — Pain, swelling, and stiffness are often present even if your x-rays or MRIs look normal. Conversely, advanced structural damage doesn’t always correlate with severe pain, adding to diagnostic confusion. This mismatch between symptoms and imaging makes early diagnosis challenging, and it’s one reason osteoarthritis is often ignored until it becomes debilitating.

• Commonly affected joints are weight-bearing ones — Your knees, hips, and big toes carry the brunt of the condition, though fingers and thumbs are also common sites. These are the areas that take the most mechanical load and wear out faster.

Over time, joint shapes change, especially in your hands, where osteoarthritis often visibly distorts knuckles and limits hand function. For most people, these symptoms get worse with movement, though stiffness after inactivity is common too.

• Risk increases sharply with age and weight — One-third of adults over 75 have osteoarthritis. When you carry more weight than your joints are designed to handle, especially in your knees and hips, it increases wear on the joint structures. Obesity also drives systemic inflammation, which adds fuel to the fire and accelerates damage.

• Genetics matters — especially for hand osteoarthritis — If your family members have had it, your risk rises significantly. While injuries, surgery, and repetitive stress on joints increase your risk overall, genetic predisposition appears particularly strong for finger and thumb joints.

Why Osteoarthritis Diagnosis and Treatment Need a Smarter Approach

Osteoarthritis is often dismissed as a natural part of aging, but that’s misleading. This mindset is outdated and counterproductive.4 Osteoarthritis is a degenerative disease process driven by a combination of mechanical, inflammatory, and metabolic factors. Framing it as “just part of getting older” delays action, which is the exact opposite of what’s needed.

• Progression isn’t predictable — Some people live for years with minimal symptoms, while others rapidly deteriorate. Injuries or stress to a joint accelerate the damage.

• Scans often don’t match how you feel — One of the more confusing aspects of osteoarthritis is that severity on scans doesn’t always match your symptoms. You might have severe joint pain with little visible damage, or minimal pain despite major degeneration. Treatment should focus on your experience, not your imaging.

• Movement isn’t dangerous — it’s necessary — Exercise reduces stiffness, improves joint lubrication and strengthens the muscles that stabilize joints. It’s one of the most effective and safest tools for managing osteoarthritis.

• Every pound lost eases the burden — Shedding even 10 pounds reduces up to 40 pounds of stress on your knees. That change alone makes a major difference in pain and mobility.

How Your Symptoms Show Which Type of Arthritis You’re Facing

According to MyHealth.Alberta.ca, the Alberta Government and Alberta Health Services’ platform for health and wellness information, patterns help reveal the diagnosis.5 Rheumatoid arthritis tends to cause widespread, symmetrical pain that hits both wrists or both knees. Osteoarthritis usually starts in one joint and moves slowly.

• Onset speed and systemic symptoms matter — Osteoarthritis creeps in over years. Rheumatoid arthritis often escalates in a matter of weeks or months and is usually more aggressive early on. Fatigue and fever also signal rheumatoid arthritis. If you’re feeling rundown or losing your appetite alongside joint pain, it’s likely autoimmune-related. Osteoarthritis rarely affects the rest of your body.

• Morning stiffness is a major clue — One of the most telling differences between rheumatoid arthritis and osteoarthritis lies in how your joints feel when you first wake up. Rheumatoid arthritis stiffness tends to last more than an hour and can leave you feeling locked up until your joints begin to loosen with movement.

In contrast, osteoarthritis-related stiffness usually fades in less than 60 minutes and tends to return after periods of rest or inactivity later in the day.

• Small joints vs. big joints — Rheumatoid arthritis commonly targets the small joints in your fingers, hands, and feet before affecting larger areas like knees or elbows. Osteoarthritis shows up more often in places that bear the most mechanical load, like hips, knees, or your spine.

This pattern helps differentiate the two conditions before advanced testing is needed. If you’re feeling pain or swelling in the balls of your feet, knuckles, or wrists, and it’s happening on both sides of your body, that’s a red flag for rheumatoid arthritis.

• Inflammation and swelling tell the story — Inflammation and visible swelling are much more common in rheumatoid arthritis. Your joints often look puffy or feel hot to the touch. Osteoarthritis causes some tenderness or joint thickening over time, but doesn’t usually cause the pronounced swelling seen in rheumatoid arthritis flares. If swelling is your dominant symptom, especially if it’s sudden or painful, it’s worth checking for autoimmune involvement.

• Symmetry in joint pain is a hallmark of rheumatoid arthritis — If you have it in one wrist, you’ll likely have it in the other. Osteoarthritis doesn’t follow this rule. Instead, symptoms often appear in a single knee or hip and spread slowly, sometimes never reaching the opposite side. That symmetry versus asymmetry rule is one of the simplest self-checks to better understand what kind of arthritis you’re facing.

How to Reduce Inflammation and Protect Your Joints Naturally

If you’ve been living with joint pain or stiffness, whether it started suddenly or crept in over the years, it’s time to take steps that address the real root of the problem, not just mask it.

Whether your symptoms are from osteoarthritis or rheumatoid arthritis, one thing’s clear: your joints are under attack, and ignoring it won’t stop the damage. You need to lower inflammation, protect the tissue that’s still healthy and help your body rebuild what it can. Here’s how to get started.

1. Cut out vegetable oils to stop feeding the inflammation cycle — Vegetable oils like soybean, canola, corn, safflower, and sunflower oil are loaded with linoleic acid (LA), which fuels oxidative stress and chronic inflammation. Eliminating these from your diet is foundational to calming joint inflammation. Switch to saturated fats like grass fed butter, ghee, or tallow.

2. Boost vitamin K2 to block cartilage damage and protect joints — Research confirms vitamin K2 helps keep your joints healthy by preventing cartilage cell death and stopping inflammatory damage.6 It works by increasing levels of protective proteins and blocking calcium from building up in your joints.

This helps reduce stiffness, maintain cartilage thickness, and slow the progression of osteoarthritis. The best sources are grass fed egg yolks, aged cheeses and fermented foods like natto or homemade sauerkraut. For added support, take 180 to 200 mcg daily of MK-7, a highly absorbable form of K2.

3. Start sipping real bone broth to repair your connective tissue — Homemade bone broth delivers collagen, glycine, glucosamine, and chondroitin — compounds that rebuild cartilage and soothe inflammation. Use grass fed, organic bones, and add cartilage-rich parts like chicken feet for best results. Sip slowly throughout the day for consistent absorption.

4. Drop excess weight if you’re carrying more than your frame supports — Every extra pound on your body adds 4 pounds of force on your knees, so shedding even a few pounds dramatically reduces joint stress. Focus on cutting LA, walking daily, and getting morning sunlight to support your metabolism.

5. Support your mitochondria to calm autoimmune inflammation — Healthy mitochondria help regulate your immune system by producing superoxide — a molecule that triggers IL-10, your body’s “off switch” for inflammation.7

When mitochondria malfunction, IL-10 levels drop and inflammation spirals out of control. To keep them strong, eat fiber-rich foods like whole fruit that increase butyrate, move your body daily, get sunshine exposure, and eliminate vegetable oils.

These steps help your macrophages control inflammation and reduce autoimmune flares. Research also shows that dimethyl sulfoxide (DMSO) increases joint flexibility in rheumatoid arthritis by 20 to 30 degrees in some cases, without relapse.8 That’s a simple, powerful tool worth considering.

FAQs About Osteoarthritis and Rheumatoid Arthritis

Q: How can I tell the difference between osteoarthritis and rheumatoid arthritis?
A: Osteoarthritis typically develops gradually with age and affects weight-bearing joints like knees, hips, and your spine. It often causes stiffness that improves within an hour of waking and worsens with activity.

Rheumatoid arthritis is an autoimmune disease that progresses rapidly, often affects both sides of your body symmetrically, and causes systemic symptoms like fatigue and low-grade fever. Morning stiffness with RA usually lasts more than an hour and often includes joint swelling and warmth.

Q: What causes each type of arthritis?
A: Osteoarthritis results from wear-and-tear, mechanical stress, inflammation, and metabolic changes that damage joint cartilage and surrounding tissue. Rheumatoid arthritis is caused by an overactive immune response that mistakenly attacks joint linings, leading to inflammation and tissue destruction throughout your body.

Q: Why is early diagnosis important for both OA and RA?
A: Early detection helps limit permanent joint damage and guides appropriate treatment. Osteoarthritis doesn’t always show up clearly on early scans, making symptom awareness important. RA often shows up in blood tests before severe joint damage occurs. Knowing the difference allows for faster action and better outcomes.

Q: What natural steps help manage joint pain and inflammation?
A: Cutting out vegetable oils from your diet, increasing vitamin K2 intake, sipping bone broth, maintaining a healthy weight and supporting mitochondrial health all help reduce inflammation and protect joints. These strategies target the root causes, whether mechanical or immune-driven, rather than just masking symptoms.

Q: What are the early warning signs I shouldn’t ignore?
A: Persistent joint pain, especially if it’s symmetrical or accompanied by swelling, fatigue, or morning stiffness lasting more than an hour, signal rheumatoid arthritis. In osteoarthritis, watch for stiffness that eases with movement, joint tenderness after activity and gradual loss of flexibility. Visible joint changes, like enlarged knuckles or a shifting thumb joint, are also red flags.

Collagen accounts for roughly 12% to 17% of all protein in mammals, yet production drops about 1% to 1.5% every year as you age, according to research published in npj Aging.1 That steady decline explains why skin loses elasticity, hydration falls, and fine lines appear long before deeper health changes become obvious. This loss is more than cosmetic.

Your connective tissue depends on collagen for strength, repair, and structural integrity, which means declining levels influence joints, muscle function, and metabolic resilience as well. Unlike many nutrition trends that focus on surface improvements, collagen sits at the center of cellular structure.

Skin aging, characterized by wrinkles, dryness, and reduced elasticity, reflects a broader shift in tissue repair and resilience. Many people focus on creams or cosmetic procedures while the underlying biology receives little attention. Recent research now suggests that the solution may not require more collagen in general but rather the right components delivered in the right pattern.

What makes this research different from typical collagen studies is its scope. Rather than measuring a single outcome like skin hydration, researchers investigated whether collagen’s core amino acids influence aging itself — from cellular signaling and physical function to measurable shifts in biological age. The human portion was an observational trial in which all participants received the supplement.

The findings suggest that targeted collagen amino acid formulations may influence deeper mechanisms beyond surface appearance, warranting further research into collagen’s broader biological role.

3 Collagen Amino Acids May Influence Aging Signals

For the npj Aging study, researchers examined how specific collagen amino acids affect lifespan, physical strength, and visible aging across cells, animals, and humans.2 Instead of asking whether collagen works as a general supplement, researchers searched for the smallest functional unit — meaning the minimum building block — that triggers collagen repair and longevity signals in the body. This shifts the focus from generic collagen powders to the exact components that drive results.

The researchers tested their hypothesis at three levels of complexity: first in C. elegans (a microscopic roundworm used widely in aging research), then in aged mice, and finally in healthy midlife adults — building evidence from simple organisms to human outcomes.

Human participants were generally healthy adults in midlife, a stage when early aging changes begin to appear even if you feel well. Findings showed improvements in skin characteristics within three months and measurable biological age reduction after six months, suggesting that the internal aging clock moved in a younger direction.

• Lifespan increased when amino acids were combined in a specific ratio — The most striking discovery involved the ratio of three glycine, one proline, and one hydroxyproline, which increased lifespan by 6% to 27% in repeated trials using roundworms.
Individual amino acids alone didn’t produce this effect, which tells you the body responds to patterns, not isolated nutrients. Your cells have receptors that detect collagen fragments — small peptide chains that act as chemical messengers.
When glycine, proline, and hydroxyproline arrive in the same ratio found in intact collagen, those receptors recognize the pattern and activate repair pathways. Think of it like a lock and key: the ratio is the key, and your cell receptors are the lock. Without the correct pattern, the signal doesn’t fire.
Each of these amino acids plays a distinct role: hydroxyproline stabilizes the collagen triple helix — the rope-like structure that gives collagen its strength — glycine may support metabolic balance and has been studied for potential roles in inflammation regulation, and proline fuels tissue growth and mitochondrial function, which is your cells’ energy production system.
What the researchers found is that combining all three produced effects far greater than any single amino acid alone — a combined response where the whole outperforms the sum of its parts. This makes sense biologically: your body doesn’t build collagen from one ingredient. It recognizes the complete pattern and responds accordingly.
• Movement and physical function improved during aging — Beyond lifespan, organisms that received the amino acid ratio maintained movement ability longer during aging, meaning healthspan — the period you remain active and functional — improved alongside lifespan. The study showed the combined ratio preserved activity at very old ages compared with controls.
• Older mice showed strength preservation and less fat accumulation — In aged mice, supplementation maintained grip strength and reduced visceral fat — fat stored around organs that links to metabolic decline — over six months. Body weight and food intake remained stable, which indicates the benefits occurred without calorie restriction or drastic diet changes.
• Human skin metrics improved quickly and measurably — Participants experienced statistically significant improvements in skin texture within one month, followed by sustained increases through month three. Hydration levels rose from very dry baseline values to a more moisturized state, while elasticity scores increased over time, showing structural skin changes rather than surface effects.
• Biological age shifted in a younger direction over six months — Researchers measured biological age using epigenetic clocks — tests that analyze chemical tags called methyl groups on your DNA. These tags change in predictable patterns as you age, and scientists use them to calculate how fast or slow your body is aging compared with your calendar age.
This method, based on DNA methylation analysis, is considered one of the most reliable tools available for tracking biological aging speed. After six months, participants showed an average biological age reduction of about 1.37 years, meaning their internal aging markers shifted in a younger direction.
Some individuals experienced larger improvements, especially those whose biological age started higher than their chronological age, though the researchers caution that part of this pattern may reflect statistical effects rather than differential response to the supplement. The amino acid ratio triggered upregulation — meaning the body turned up the volume on its collagen-building instructions — for genes related to collagen and the extracellular matrix.
Think of the extracellular matrix as the scaffolding between your cells — it gives skin its firmness, cartilage its bounce, and tendons their strength. When those genes become more active, your body rebuilds that scaffolding faster than it breaks down. This explains why visible changes appear alongside functional improvements.

These findings include data from laboratory or animal research and may not directly apply to human health.

How to Support Collagen Production at the Root

The root cause of visible aging and declining tissue resilience centers on a steady drop in collagen combined with insufficient building blocks to replace it. Structural proteins break down faster than your body rebuilds them, which shows up as wrinkles, reduced elasticity, weaker joints, and slower recovery. If you notice these changes, the solution involves supplying the raw materials and signals your body uses to rebuild collagen from the inside.

1. Choose a clean collagen or gelatin source — Quality determines what enters your body. Collagen or gelatin products derived from animals raised in concentrated animal feeding operations (CAFOs) have tested positive for contaminants, including drug metabolites and chemicals.
Selecting collagen or gelatin labeled USDA Organic and/or AGA grass fed helps you avoid unwanted exposures while providing structural amino acids your tissues rely on. Gelatin offers a practical food-based option because it’s cooked collagen and delivers the same amino acid profile. Look for a pure gelatin powder without sugar and other additives.
2. Provide the building blocks required for collagen synthesis — Collagen formation depends on vitamin C and antioxidant nutrients that help convert amino acids such as lysine and proline into collagen fibers. If you’re seeking stronger skin, faster tissue repair, or improved elasticity, foods rich in vitamin C support this process. Citrus fruits, tomatoes, bell peppers, broccoli, berries, and leafy greens give your body the nutrients required for ongoing collagen production.
3. Increase collagen-rich protein to reach structural needs — Tissue repair requires sufficient total protein, roughly 0.8 grams per pound of lean body mass (or about 1.76 grams per kilogram), with about one-third coming from collagen-rich sources.
If you’re rebuilding connective tissue, recovering from activity, or noticing aging changes, this step supplies glycine — an amino acid needed for glutathione, the primary intracellular antioxidant that protects tissues from pollution-driven oxidative damage. Bone broth, slow-cooked meats with connective tissue, and high-quality collagen supplements support this foundation.
4. Protect existing collagen from breakdown — Preserving collagen matters as much as producing it. Antioxidant strategies help extend collagen lifespan by reducing enzymes that degrade structural proteins.
Red light therapy may help support collagen production,3 retinol has been associated with reduced breakdown of collagen-destroying enzymes,4 garlic provides sulfur compounds involved in collagen structure,5 and ginseng may help support collagen levels in your bloodstream.6 These approaches may help support tissue strength.
5. Support hydration pathways that keep collagen functional — Collagen and hydration function together inside your skin. If you notice dryness, fine lines, or reduced elasticity, improving hyaluronic acid status supports moisture retention and tissue suppleness.
Oral aloe vera has been shown to help support both collagen and hyaluronic acid production7 — though dosage and form matter, so look for inner-leaf gel supplements with verified purity. Starchy root vegetables like sweet potatoes and taro also supply compounds that support skin hydration from the inside.

FAQs About Collagen and Longevity

Q: How do collagen peptides influence longevity?
A: Collagen peptides supply key amino acids — glycine, proline, and hydroxyproline — that signal your body to repair connective tissue and support cellular structure. Published research suggests a specific ratio of these amino acids may improve lifespan markers in animal studies, physical function in mice, and biological age in human participants, linking collagen intake to deeper aging processes rather than appearance alone.

Q: What makes the three-amino-acid ratio important?
A: The research suggests the body responds strongly when glycine, proline, and hydroxyproline appear in the same pattern found in collagen. In animal studies, this combination acts like a biological signal that increases collagen gene activity, supports tissue repair, and helps maintain movement and strength during aging.

Q: What visible changes were seen in humans?
A: Participants experienced measurable improvements in skin texture, hydration, and elasticity within one to three months. Over six months, biological age decreased on average by about 1.37 years, meaning internal aging markers shifted in a younger direction.

Q: Is gelatin as effective as collagen supplements?
A: Gelatin is cooked collagen and delivers the same amino acid profile after digestion. Because both break down into identical amino acids in your body, gelatin serves as a practical food-based option for increasing glycine intake and supporting connective tissue repair, especially through bone broth or pure gelatin powder.

Q: What steps help support collagen production naturally?
A: Key actions include choosing high-quality collagen or gelatin sources, consuming enough total protein with one-third from collagen-rich foods, ensuring adequate vitamin C intake, protecting collagen from breakdown with antioxidant strategies, and supporting hydration pathways such as hyaluronic acid to keep collagen functional.

This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before making changes to your health regimen.

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Energy drinks don’t just spike your adrenaline — they also feed leukemia. A study published in Nature found that taurine, a common ingredient in energy drinks and many pre-workout supplements, fuels the growth of leukemia cells.1 Researchers with the University of Rochester uncovered how this amino acid supercharges the metabolism of leukemia stem cells by activating a powerful growth pathway called mTOR.

In lab tests and animal models, supplementing taurine made leukemia worse. Taurine isn’t just a random additive. It’s naturally produced by your body and found in high concentrations in meat, fish, and dairy. It helps regulate calcium balance, support brain function, and stabilize cell membranes. In healthy individuals, taurine has been shown to improve cardiovascular health, boost energy metabolism, and according to 2023 research published in Science, even extend lifespan in animals.2

So which is it? Is taurine a longevity booster or a cancer risk? The answer isn’t simple, and it comes down to how much you’re getting, from what source and whether cancer is already in the picture. To understand what’s really happening inside the body, and how something as simple as a drink additive could alter the course of a deadly disease, you need to look at what this first study uncovered.

Leukemia Stem Cells Use Taurine as Fuel to Grow and Spread

The Nature study looked at how leukemia stem cells — especially in fast-moving types like acute myeloid leukemia (AML) — survive in the body.3 Researchers found that these cancer cells don’t work alone. They get help from nearby bone marrow cells that change their environment in ways that support cancer growth. One major discovery was that taurine plays a key role in this process.

• Certain bone cells pump out extra taurine to support cancer — As leukemia gets worse, nearby bone cells, called osteolineage cells, start producing more taurine. Taurine isn’t just floating around — it’s actively pulled into the cancer cells through a special channel called the taurine-taurine transporter (TAUT) axis. This allows the leukemia cells to take in extra energy and grow faster.

• Blocking taurine’s entry into cancer cells stopped the disease from spreading — When scientists disabled the TAUT transporter in leukemia cells, the cancer slowed down dramatically. Mice with the transporter turned off lived up to six times longer. Even if taurine was still in the body, cancer cells couldn’t use it without TAUT. That shows just how important this pathway is for the cancer’s survival.

• More taurine meant faster cancer growth and earlier death — Mice that were given extra taurine had their leukemia spread faster and died up to three times sooner. Researchers also found that taurine levels were much higher in the bone marrow of mice with leukemia than in healthy ones. When they blocked the enzyme that creates taurine in bone cells, the leukemia stem cells began to die off.

• Drug-resistant leukemia cells had even more TAUT transporters — Leukemia cells that resisted chemotherapy had higher levels of TAUT, meaning they were more dependent on taurine for survival. When scientists knocked out the TAUT transporter in these cells, they stopped growing, even in lab dishes, and couldn’t survive when transferred into mice.

Taurine Flips a Growth Switch Inside Leukemia Cells

Inside the cancer cells, taurine turns on something called mTOR, which acts like a master switch for cell growth and energy use. Without taurine, this switch doesn’t turn on, and the cells can’t generate the fast energy they need. Markers of energy production dropped sharply when taurine was removed.

• Without taurine, leukemia cells lost their ability to make energy — In cells lacking TAUT, the mTOR signal dropped by threefold. Even when researchers tried to feed the cells energy shortcuts like pyruvate, which is created when your body breaks down sugar, they couldn’t fully recover. That means taurine’s role is more than just fuel — it’s a trigger for the entire energy-making process.

• Taurine sends a signal, not just nutrients — Taurine doesn’t just nourish leukemia cells — it tells them when and where to grow. It uses proteins to direct the mTOR switch to the right place in the cell. Without that signal, the growth switch stays off. Because of this, TAUT is now being studied as a target for treating leukemia.

• This finding hasn’t yet been confirmed in humans — The study showed that taurine levels are elevated in the bone marrow of mice with leukemia, but there’s no direct evidence showing the same taurine increase in humans with acute myeloid leukemia. That means taurine’s role in human leukemia is still uncertain and needs further investigation.

Taurine Drops with Age, but Getting It Back Slows the Aging Process

While cancer cells hijack taurine for their own gain, healthy cells suffer when there’s not enough of it. That’s what researchers uncovered in a study published in Science.4 They wanted to know if taurine was simply a marker of aging or if it actually drives the aging process itself. What they found could change how you think about growing older.

• Taurine levels steadily decline as you age — Researchers measured taurine in mice, monkeys, and humans and saw the same trend across the board: taurine drops sharply with age. It wasn’t just a small dip — it was a consistent and measurable drop that began in middle age.

• Replacing taurine helped animals live longer and stay healthier — When middle-aged mice were given taurine supplements, they thrived. The mice lived 10% to 25% longer depending on how the data was measured. Their strength improved, their metabolism worked better, and they moved more like younger animals.

• Taurine helped the whole body, not just one part, function better — In mice, daily taurine led to stronger bones, less body fat, and more balanced immune responses. Their brains showed fewer signs of aging-related damage. In monkeys, the same pattern emerged — taurine boosted immune activity and improved mitochondrial function, which are both central to how well your body handles aging.

People with Low Taurine Were More Likely to Have Serious Health Issues

Low taurine was linked to a higher risk of obesity, high blood pressure, Type 2 diabetes, and chronic inflammation. These are the same conditions that rob people of quality of life, and in many cases, of life itself.

• Exercise was one of the few natural ways to boost taurine levels — One workout session raised taurine and its related compounds in the bloodstream. This helps explain why physical activity slows aging, because it increases a compound that repairs, regenerates, and protects your cells.5

• Taurine reversed aging at the deepest cellular level — Supplemented animals had less DNA damage, slower cell aging, and better maintenance of telomeres, the protective tips of chromosomes that shrink as you age. That means taurine helped preserve the blueprint for life inside the cell, not just the visible signs of youth on the outside.

• Taurine worked through multiple repair pathways — It supported mitochondria — the energy makers inside your cells — and calmed inflammation that damages tissues over time. It also kept stem cells functioning longer and protected immune systems from burnout. Together, these effects help explain how taurine improved health so broadly and effectively.

• Taurine extended life in complex organisms, but not in yeast — Taurine helped worms live longer, but not single-celled yeast. This suggests its antiaging effects require the presence of complex tissues and systems that communicate and repair each other — something only multicellular creatures have.

• Researchers believe taurine deficiency isn’t just a symptom of aging — it’s a cause — Replacing taurine improved multiple markers of health and longevity, which led the researchers to conclude that taurine loss is a driver of aging.

How to Use Taurine Wisely Without Feeding Disease

If you’re leaning on energy drinks or taurine supplements to push through fatigue, there’s a smarter, safer way to get your energy back. Taurine has real benefits for longevity, brain function, and cellular health, but the source and amount matter, especially if you’re facing a condition like leukemia.

In some cases, too much taurine could make things worse by feeding the disease instead of supporting your recovery. And while energy drinks look like a quick fix, they come with a long list of problems that go far beyond taurine. To protect your health:

1. Cut out energy drinks and synthetic taurine blends completely — If you’re reaching for energy drinks to boost focus or stamina, stop. These drinks are loaded with synthetic taurine and caffeine — and scientists now call them a growing public health concern. They’re linked to heart problems,6 mood issues, digestive distress, and even neurological complications.7 If your energy is low, the real fix starts by restoring healthy mitochondrial function, not flooding your system with artificial stimulants.

2. Pause taurine supplements if you’ve been diagnosed with leukemia or are at high risk — If you’re taking taurine capsules or powders, look closely at why you started. For someone with blood cancer or a strong family history, even small supplemental doses could backfire.

Leukemia cells have been shown to hijack taurine as fuel, and supplying more, especially in concentrated form, could give those cells an unfair advantage. In that case, less is more. Even if you’re healthy, don’t go overboard on taurine supplementation.

3. Focus on whole-food sources instead of artificial boosters — Taurine is naturally found in high-quality animal foods like grass fed beef, pasture-raised eggs, and shellfish. These sources give you taurine in balance with other nutrients, not in isolation. Focus on supporting your health with these natural taurine sources. Skip taurine-fortified beverages and processed products, which don’t support your body the same way.

4. Support your mitochondria, don’t overstimulate them — Instead of looking for a shortcut, think long-term. Boosting taurine should be part of a strategy to improve mitochondrial efficiency — not to mask fatigue. Regular movement, deep sleep, sunlight, and real food do more to restore energy than any supplement. Taurine works best when it’s used intentionally and in context, not on top of a lifestyle that’s already running on empty.

5. Track your response and listen to your body — Whether you’re using taurine for mood, longevity, or stamina, start small and pay attention. Use a simple log to jot down how you’re feeling each day — energy, sleep, digestion, focus. If anything feels off, back down. Your body will tell you when something isn’t working. Respect that signal.

Taurine isn’t good or bad — it’s powerful. And like anything powerful, it demands respect and careful use. The goal isn’t to chase more energy but to create the kind of balance your cells actually need.

FAQs About Taurine

Q: What is taurine, and why is it in energy drinks?
A: Taurine is an amino acid your body makes naturally, and it’s found in meat, fish, and dairy. It’s added to energy drinks and pre-workout supplements because it helps regulate energy use, brain function, and cellular stability. But in concentrated form, especially when combined with caffeine, it overstimulates the body and is harmful in certain conditions like leukemia.

Q: How is taurine linked to leukemia?
A: A study published in Nature found that leukemia stem cells hijack taurine to grow and spread, using it to activate a key growth switch called mTOR.8 In animal models, extra taurine accelerated leukemia progression, while blocking taurine’s entry into cancer cells dramatically slowed the disease and improved survival.

Q: Does that mean taurine is dangerous for everyone?
A: No. Taurine plays important roles in healthy aging and energy metabolism. Research published in Science showed that taurine levels drop with age, and supplementing it helped animals live longer and stay healthier.9 The key is using it wisely — too much, especially in synthetic or supplement form, poses risks in people with leukemia or other blood cancers.

Q: Should I avoid energy drinks with taurine?
A: Yes. Energy drinks are not a healthy source of taurine. Studies have called them a rising public health issue because they’ve been linked to heart, digestive, psychiatric, and neurological problems.10,11 If you need more energy, focus on fixing the root cause — poor sleep, stress, and mitochondrial dysfunction — instead of reaching for a taurine-loaded energy drink.

Q: What’s the safest way to get taurine?
A: Stick with taurine-rich whole foods like grass fed beef, pasture-raised eggs, and shellfish. Avoid synthetic blends and monitor how your body responds if you’re supplementing for longevity or performance. And if you’ve been diagnosed with leukemia or are at high risk, cut out taurine supplements and talk with your care team about dietary adjustments.

Your brain runs on a delicate balance of minerals — and copper is one of the most important. It’s easy to overlook, but this trace nutrient controls the very processes that keep your mind sharp: how your neurons fire, how your brain makes energy, and how it clears out damaging waste. Without enough, systems start breaking down. You don’t think as clearly. Your memory slips. And your brain begins to age faster than it should.

What makes copper unique is that it’s both necessary and dangerous in the wrong context. Too little leaves your brain vulnerable to oxidative stress. Too much, and it becomes part of the problem — fueling inflammation and structural damage. That tightrope makes copper one of the most powerful, yet high-stakes, nutrients in your diet.

Most people aren’t thinking about copper when they eat. But what you’re eating — or not eating — could be shifting your copper balance in a way that accelerates cognitive aging without you realizing it. That’s why I want to show you what scientists are now uncovering about copper’s impact on your brain, and how dialing it in — not too much, not too little — is one of the simplest ways to sharpen your memory and protect long-term brain health.

Better Brain Function Seen with Daily Copper

A study published in Scientific Reports analyzed data from 2,420 American adults over age 60 to evaluate how dietary copper influences cognitive function.1 Using data from the National Health and Nutrition Examination Survey (NHANES) between 2011 and 2014, researchers reviewed both diet and memory test scores. Their goal was to determine whether eating more copper-rich foods translated into better brain performance.

• Older adults who consumed more copper scored higher on multiple brain tests — Participants who consumed the most copper — around 1.2 to 1.6 milligrams (mg) per day — consistently scored better on tests measuring memory, language, and processing speed. The relationship held even after adjusting for confounding factors like age, education, calorie intake, and levels of other minerals such as zinc, iron, and selenium.

• The strongest cognitive gains occurred below a specific threshold — Results followed a clear non-linear pattern. When copper intake reached about 1.2 to 1.6 mg per day, cognitive scores improved. But beyond that point, the benefits leveled off.

• Cognitive benefits were greatest in stroke survivors — Among participants with a history of stroke, the effect of copper was even more pronounced. Those in the highest copper intake group had significantly higher global cognition scores than those with the lowest intake. This suggests that copper intake is especially important for neurological recovery and brain resilience after a vascular event.

• Copper’s role in brain recovery likely involves antioxidant and energy enzymes — The study explained that copper serves as a cofactor for key enzymes like superoxide dismutase (SOD1), which neutralizes reactive oxygen species in brain cells. This action helps prevent oxidative damage — one of the main drivers of neuron death in aging brains. When copper intake falls below the optimal range, SOD1 activity drops, and damage from free radicals increases.

• Copper impacts neuroinflammation and brain cell repair — Researchers also noted copper’s influence on immune cells in the brain. Specifically, copper appears to reduce inflammation after a stroke by shifting microglia — the brain’s immune cells — from a damaging “M1” mode to a healing “M2” state. This transition lowers inflammatory cytokines, while boosting anti-inflammatory molecules.

Higher Brain Copper Linked to Slower Memory Loss and Less Alzheimer’s Damage

Published in the journal Molecular Psychiatry, this community-based study followed 657 older adults for nearly seven years before death and analyzed copper levels in four brain regions during autopsy.2 Researchers wanted to know whether brain copper levels were linked to how quickly memory declined and how much Alzheimer’s disease damage was found after death. They also tracked participants’ dietary copper intake to see if it influenced copper levels in the brain or disease severity.

• Participants with more brain copper declined more slowly and had fewer signs of Alzheimer’s — Higher copper levels in specific areas of the brain, particularly the inferior temporal and mid-frontal regions, were strongly associated with slower loss of memory, attention, and thinking speed over time. Those in the top third for brain copper experienced the slowest decline in global cognition and key memory domains.

• Memory and processing speed were the most improved cognitive areas — The biggest differences were seen in global cognition, working memory, semantic memory (understanding words and meanings), and perceptual speed (how quickly the brain processes information). Participants in the top copper group declined 0.03 units per year more slowly than those in the lowest group — small differences that add up over time.

• Higher brain copper was linked to lower odds of advanced Alzheimer’s stage — Participants with the most brain copper had 40% lower odds of being in the most severe stage of Alzheimer’s pathology compared to those with the lowest copper.

• Copper plays a key role in maintaining healthy brain structure and function — Copper is used by enzymes that support brain energy metabolism, gene regulation, antioxidant defense, and neurotransmitter synthesis. These enzymes protect neurons from oxidative stress, regulate iron, and help with signal transmission between brain cells. A copper shortfall weakens these defenses, leaving neurons more vulnerable to damage.

A High-Copper, High-Fat Diet Raises Dementia Risk

Copper is essential for brain health, but having too much also leads to neurodegeneration and neurological disorders. In an analysis published in the American Journal of Epidemiology, researchers tracked 10,269 middle-aged adults over a 20-year period to examine how dietary copper intake — especially when combined with high levels of saturated fat — affected cognitive performance and dementia risk.3

• Copper wasn’t a risk factor until paired with high-fat diets — Among those who consumed the most saturated fat, higher copper intake was linked to significantly faster cognitive decline. In this group, high copper doubled the rate of memory loss. In contrast, people with low saturated fat intake showed no negative effect from copper, even at higher doses. This interaction highlights how nutrients don’t act in isolation. Your overall dietary pattern matters.

• Verbal memory suffered the most in those with high copper and fat intake — The largest decline was seen in language-related skills. Participants with high copper and high saturated fat diets had the steepest drop in word recall and verbal fluency. These are early warning signs of dementia, especially Alzheimer’s-type cognitive impairment.

• Supplements weren’t the issue — most copper came from food — The researchers confirmed that nearly all copper came from dietary sources. Supplement users made up a small minority and didn’t skew the data. This underscores the need to evaluate food combinations, not just isolated nutrient doses.

• Brain damage likely driven by copper-induced oxidation of fats — The study authors proposed that excess copper oxidizes saturated fats and cholesterol in the bloodstream, triggering inflammatory damage inside the brain. When fats are oxidized, they form harmful compounds called aldehydes, which are known to impair neurons and increase beta-amyloid buildup, a hallmark of Alzheimer’s disease. This damage appears to be especially aggressive in brain regions responsible for memory.

• Related study found participants with the highest copper and saturated/trans fat intake had the worst cognitive outcomes — A study published in Archives of Neurology found that in people with diets high in saturated and trans fats, higher copper intake was linked to a dramatic decline in mental function.4 Their rate of cognitive decline was equivalent to aging 19 years faster compared to participants with low copper and low fat intake.

That means a 65-year-old on a high copper, high-fat diet had the brain function of an 84-year-old. The study found no such effect among those with high copper but low fat intake, showing it was the combination — not copper alone — that accelerated damage.

How to Balance Copper and Protect Your Brain from Cognitive Decline

Copper is one of the most misunderstood minerals in your body. While the mainstream narrative often warns about copper excess, the reality is that most people are walking around copper-deficient — and that has far-reaching consequences for your brain. Copper is foundational for mitochondrial function, iron regulation, and energy production. When it’s low, iron builds up in places it shouldn’t, oxidative stress spikes, and your neurons suffer.

If you’re feeling mentally sluggish, forgetful, or easily fatigued, your copper status may be off. But rather than guessing, I recommend a strategic approach that supports your body’s ability to regulate copper naturally — using whole foods, metabolic support, and, if needed, supplementation. Here are five key steps to optimize your copper levels and protect your brain:

1. Add copper-rich whole foods to your diet — Foods like grass fed beef liver, shellfish, shiitake mushrooms, dark chocolate, and bee pollen are some of the best sources of bioavailable copper. These foods don’t just supply copper — they deliver it in a way your body knows how to handle. Retinol (preformed vitamin A), found in beef liver and organ meats, plays a direct role in copper metabolism. Without enough retinol, copper can’t get where it needs to go.

2. Shift your macronutrient balance — more carbs, less fat — A high-fat diet disrupts how your body burns glucose and instead forces it to rely on fat for energy. That imbalance drives chronic disease. I now recommend keeping fat intake between 30% and 40% of your daily calories.

That means prioritizing healthy, digestible carbs like whole fruit, cooked root vegetables, white rice, and small amounts of well-tolerated whole grains, as long as your gut is healthy and you tolerate them. For healthy fats, focus on grass fed butter, ghee, and tallow, while minimizing the polyunsaturated fat linoleic acid in vegetable oil.

3. Supplement strategically with copper bisglycinate if needed — If your copper intake is low or you’ve been dealing with signs of deficiency, such as brain fog or unexplained fatigue, consider taking 3 to 4 mg of copper bisglycinate daily. This chelated form is highly absorbable and less likely to irritate your gut. But don’t supplement blindly — test your levels, track your progress, and adjust your copper intake as needed.

4. Balance copper and iron — It’s important to recognize the interplay between iron and copper. Iron overload coupled with copper deficiency presents a particularly risky scenario. Copper deficiency is widespread, and many individuals require increased copper intake to support proper iron metabolism.

Balanced copper levels aren’t just about brain performance — they’re about restoring the mineral harmony that drives every system in your body. When copper is where it’s supposed to be, your energy, memory, and clarity come back online.

FAQs About Copper and Your Brain

Q: What does copper do for your brain?
A: Copper is essential for your brain’s electrical activity, antioxidant defense, and energy production. It activates enzymes like superoxide dismutase, which neutralize free radicals and protect neurons from damage. Without enough copper, your brain cells can’t generate energy efficiently or repair oxidative injury, leading to memory problems and cognitive decline.

Q: Can eating more copper-rich foods really improve memory?
A: Yes. Research published in Scientific Reports found that adults over 60 who consumed about 1.2 to 1.6 mg of copper daily had better memory, language skills, and processing speed — especially those recovering from stroke.5 Another study in Molecular Psychiatry showed that higher copper levels in brain tissue were linked to slower cognitive decline and less Alzheimer’s pathology.6

Q: Is too much copper dangerous for your brain?
A: It can be. While copper is necessary, too much — especially when paired with a high-fat diet — fuels oxidative stress. A study in the American Journal of Epidemiology found that high copper intake doubled the rate of memory loss in people eating diets rich in saturated fat.7 The damage is likely caused by copper oxidizing fats in the blood, triggering brain inflammation and beta-amyloid buildup.

Q: What foods help regulate healthy copper levels?
A: Grass fed beef liver, shellfish, shiitake mushrooms, dark chocolate, and bee pollen are excellent sources. Retinol (vitamin A) from organ meats is also needed to direct copper into your cells and prevent accumulation in the wrong places.

Q: Should I take a copper supplement?
A: If your diet lacks copper or you’re showing signs of deficiency, such as fatigue or brain fog, it may help to take 3 to 4 mg of copper bisglycinate daily. This form is gentle on digestion and highly absorbable. However, food-based copper should typically come first.

As the global population grows older, dementia cases are expected to double every two decades, rising to 78 million by 2030 and 139 million by 2050.1 It often begins subtly, with memory lapses like forgetting names or misplacing items. These early symptoms are classified as mild cognitive impairment (MCI), a condition that affects 10% to 20% of adults over 65 and significantly raises the risk of developing Alzheimer’s disease.2

With no cure for Alzheimer’s and limited pharmaceutical options, scientists are exploring how lifestyle interventions help preserve cognitive health. A research team at the State University of Campinas in Brazil investigated whether weight training helps protect the brain from the structural decline seen in people with MCI, and their findings were promising.3

Weight Training Slows Brain Aging and Protects Against Alzheimer’s

The featured study, published in the GeroScience journal in January 2025,4 focused on whether weight training prevents brain shrinkage and memory loss before full-blown dementia takes hold. The study involved 44 older adults with mild cognitive impairment, randomly assigned to either twice-weekly supervised resistance training or a non-exercising control group. Training sessions lasted six months and used moderate to high-intensity weights with progressive loading.

• Exercise preserved brain regions that are most vulnerable to Alzheimer’s — The researchers focused on two brain areas often damaged in the early stages of Alzheimer’s disease — the hippocampus, which is key for forming new memories, and the precuneus, which plays a role in attention, visual processing, and sense of self.

After six months, the group that exercised saw no volume loss in the right side of either region, unlike the control group, which experienced significant shrinkage in both. This suggests weight training can help physically preserve brain tissue in areas most vulnerable to Alzheimer’s.

• White matter and nerve fiber health also improved — Beyond just preserving brain volume, weight training also improved the quality of the brain’s white matter, which serves as the communication network between different brain regions. The study also found an increase in fractional anisotropy, an indicator of healthier, more organized nerve fibers, in the training group.

In contrast, the control group saw a decrease in the same metric, showing a steady decline. The training group also saw a decrease in axial diffusivity, which indicates less damage along nerve fibers, while the control group’s white matter degraded.

• Some participants improved enough to no longer qualify as cognitively impaired — Participants in the resistance training group scored higher on tests of verbal episodic memory, which is the ability to recall words or stories from conversations or events.

Remarkably, by the end of the study, five of 22 participants in the training group had improved so much that they no longer met the clinical criteria for mild cognitive impairment. Meanwhile, memory declined further in the non-exercising group.5

• Long-term resistance training could offer more dramatic improvements — Although the study spanned just six months, the researchers believe that longer-term strength training could yield even greater benefits, reversing early cognitive decline rather than merely slowing it. Isadora Ribeiro, the lead author of the study, noted:

“All the individuals in the bodybuilding group showed improvements in memory and brain anatomy … This leads us to imagine that longer training sessions, lasting three years, for example, could reverse this diagnosis or delay any kind of dementia progression. It’s certainly something to be hopeful about and something that needs to be studied in the future.”6

• Exercise may work by reducing inflammation and boosting brain-healing proteins — These findings point to two likely reasons why resistance training helped. First, it stimulates the release of brain-protective molecules like brain-derived neurotrophic factor (BDNF) and irisin, both of which support nerve growth and repair.

Second, it lowers overall inflammation in the body, including the brain, which is known to accelerate cognitive decline. High levels of inflammation are linked to the buildup of abnormal proteins that damage neurons, a hallmark of Alzheimer’s disease. Exercise works by shifting the immune response toward anti-inflammatory signals, giving the brain a better chance to heal and adapt.7

• Resistance training is a low-cost intervention with high impact — Dr. Marcio Balthazar, one of the lead researchers of the study, highlighted:

“For example, the new anti-amyloid drugs approved in the United States indicated for the treatment of dementia and for people with mild cognitive impairment, cost around USD 30,000 a year. That’s a very high cost. These non-pharmacological measures, as we’ve shown is the case with weight training, are effective, not only in preventing dementia but also in improving mild cognitive impairment.”8

Learn more about the benefits of exercise for brain health in “Exercise Transforms Your Brain and Protects Against Cognitive Decline.”

Why Exercise Should Be Part of Every Brain Health Plan

Beyond weight training, a wide range of exercises have been shown to protect brain health. A review published in the Journal of Aging Research9 analyzed findings from multiple meta-analyses to determine how various forms of physical activity impact cognition in older adults who do not yet have cognitive impairment.

• Exercise cuts Alzheimer’s risk — Research consistently showed that people who exercised were up to 45% less likely to develop Alzheimer’s and had a 28% lower risk of dementia overall. Even those with mild memory problems benefited.

The strongest effects came from aerobic training, resistance training, or a combination of the two. Exercises like Tai chi and yoga were also found to be effective, especially in enhancing executive function, attention, and processing speed.

• Exercise activates four powerful brain-protective pathways — The review highlights four key biological mechanisms that explain how exercise protects the brain. First, it boosts levels of growth factors like BDNF and insulin-like growth factor 1 (IGF-1), which help brain cells grow, repair, and communicate more efficiently.

Exercise also helps regulate the immune system by lowering chronic inflammation, which contributes to cognitive decline. Moreover, it improves blood flow and oxygen delivery to the brain by strengthening the heart and blood vessels. Finally, it helps stabilize the body’s stress system, particularly the hypothalamic-pituitary-adrenal (HPA) axis, which becomes overactive with age and damages brain tissue.

• Different exercises benefit your biological systems in unique ways — Aerobic exercise, such as brisk walking or cycling, was more likely to raise BDNF levels, especially in older adults over 65. In contrast, resistance training had a stronger effect on IGF-1. Interestingly, the more complex the movement, such as dancing or Tai chi, the stronger the improvements in brain flexibility and multitasking skills.

• Exercise lowers inflammation, a major driver of brain aging — Inflammation also plays a major role in brain aging, and exercise directly combats it. In one review of 13 trials, older adults who exercised showed significant reductions in interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-alpha), two inflammatory markers linked to memory loss.

The researchers also observed that those with lower inflammation had larger hippocampal volumes and better performance on attention and memory tests. It’s believed that muscle contractions during exercise release anti-inflammatory molecules that help shield brain cells from damage.

• Cognitive gains occur even without improvements in cardiovascular fitness — While heart and blood vessel health are clearly important, not all brain benefits from exercise are tied to improvements in cardiovascular fitness. Some studies found that even when aerobic capacity didn’t improve, cognitive function still did.

In one trial, older adults who exercised for 12 weeks had increased blood flow in the brain’s decision-making regions and performed better on memory tasks despite no change in physical endurance. This suggests that exercise influences brain function through multiple pathways, not just by getting the heart pumping.

• Mind-body exercises like yoga improve stress regulation and memory — The review emphasized the importance of stress reduction. As we age, our ability to recover from stress weakens, and high cortisol levels are linked to faster cognitive decline. Exercise helps regulate the body’s stress response and even restores balance to the nervous system.

Yoga and Tai chi, for instance, have been shown to lower cortisol and anxiety while improving mental clarity. In one study, an eight-week yoga program not only reduced cortisol but directly improved test scores in memory and decision-making tasks. This underscores the role of mind-body exercise in supporting emotional and cognitive resilience.

Beyond cognitive health, the benefits of weight training span every major system of your body. Read “Weightlifting for an Hour a Week Cuts Risk for Stroke and Heart Attack Up to 70%” to learn more.

The Sweet Spot for Strength Training

Keep in mind that more isn’t always better, especially when it comes to lifting weights. While resistance training is a critical tool for protecting muscle, bone, and brain health as we age, evidence suggests that overdoing it may actually shorten your lifespan.

• Longevity benefits peak at 40 to 60 minutes of lifting per week — In my interview with cardiologist James O’Keefe, he discussed findings from his research,10 wherein he observed that vigorous exercise backfires, especially when done in high volumes.

As shown in the graph below, strength training has a J-shaped dose-response with all-cause mortality. Its benefits max out at around 40 to 60 minutes per week. Beyond that, the benefits plateau and eventually reverse.

• How excessive exercise reduces your lifespan — Prolonged intense physical activity places chronic stress on the body, leading to issues like cardiac overuse injury and an increased risk of musculoskeletal injuries. Overtraining also impairs recovery, causing fatigue, reduced performance and a weakened immune system.

• Training over two hours weekly negates the advantage — When you’re doing strength training for a total of 130 to 140 minutes per week, the longevity benefits of exercise go down to the point as if you’re not exercising at all. In short, if you train for three to four hours a week, your long-term survival is worse than people who don’t do strength training at all.

• Excessive lifting leaves you worse off than being sedentary — Again, when you’re doing intense vigorous exercise in excess, you’re still better off than people who are sedentary. But for some (yet undetermined) reason, excessive strength training leaves you worse off than being sedentary.

• Aim for 20 minutes twice a week, not more — The lesson here is to keep strength training to 20 minutes twice a week on non-consecutive days, or 40 minutes once a week. Moreover, it’s just an add-on to your exercise regimen — don’t center your entire exercise sessions around it. Moderate-intensity exercise such as walking gives you far greater benefits.

• Even short weekly sessions protect against aging — Interestingly, this moderate amount of strength training aligns with findings from the Brigham Young University study,11 which showed that even small doses of resistance training — around 10 to 50 minutes weekly — result in measurable benefits to telomere length, slowing biological aging without the risks associated with overtraining.

To learn more about the benefits of weight training for older adults and how to incorporate it into your workout routine, read “Strength Training Turns Back the Clock on Your Biological Age.”

Frequently Asked Questions (FAQs) About Weight Training and Alzheimer’s

Q: Does weight training help prevent Alzheimer’s disease?
A: Yes. The study published in GeroScience showed that just six months of weight training twice a week preserved critical brain areas like the hippocampus and precuneus in older adults with mild cognitive impairment (MCI). These areas usually shrink early in Alzheimer’s, and the exercise group showed no volume loss, unlike the non-exercising control group.

Q: How does exercise protect the brain at a biological level?
A: Exercise activates several protective pathways:

• It boosts brain-derived neurotrophic factor (BDNF) and IGF-1, which help brain cells grow and repair.

• It reduces chronic inflammation, a major driver of cognitive decline.

• It improves blood flow and oxygen delivery to the brain.

• It regulates the HPA axis, lowering stress hormones like cortisol.

Q: What other brain benefits does strength training offer besides memory protection?
A: In addition to preserving brain volume, resistance training improves white matter integrity, supports nerve fiber health, and enhances verbal episodic memory. In the Brazilian study, five out of 22 participants in the training group improved so much they no longer met clinical criteria for MCI.

Q: How much strength training is enough to see brain and longevity benefits?
A: The sweet spot appears to be 20 to 40 minutes twice a week, or 40 to 60 minutes total per week. Research led by cardiologist Dr. James O’Keefe found that this level of training maximizes longevity benefits. Exceeding 130 to 140 minutes per week actually reverses these gains, increasing inflammation, injury risk, and stress on the body.

Q: Are lighter exercises like yoga or Tai chi also effective for brain health?
A: Yes. Mind-body exercises such as yoga and Tai chi lower cortisol and anxiety, improve mental clarity, and enhance executive function. One study showed that yoga not only reduced cortisol but also improved decision-making and memory test performance, demonstrating how gentle movement supports emotional and cognitive resilience.

If you’ve ever poured your energy into growing vegetables only to watch them wilt, weaken, or fall prey to pests, you’re not alone. The missing piece in many struggling gardens isn’t fertilizer, more watering, or better tools — it’s flowers. Not for looks, but for function. Flowers are the most underused tool in the gardener’s toolkit, and the science is catching up to what experienced growers have known all along: your vegetables thrive when they’re surrounded by the right blooms.

Most people treat flowers and vegetables like they belong in separate worlds — one for beauty, the other for food. But that separation is costing you time, yield, and resilience. When you rely on synthetic pest control or isolated rows of crops, you’re working against nature’s built-in systems. You’re left doing more of the labor yourself — spraying, weeding, watering, and battling burnout.

Instead, think of your garden as a living, layered system. One that works better when flowers pull in pollinators, when their roots break up compacted soil, and when their scent and shape bring balance to the chaos above and below ground. You don’t need a massive plot or perfect conditions. You need strategic choices — flowers that multitask, protect, and support your veggies from seed to harvest. Here’s how to bring that strategy to life.

Yarrow, Fennel, and Goldenrod Make Your Garden Smarter, Not Harder

Instead of relying on pesticides, Modern Farmer highlights how planting wildflowers at the edges of your beds brings in natural predators that keep pest outbreaks in check.1 These flowering plants attract insects that feed on destructive bugs before they cause damage. Wildflowers also reinforce soil health and promote nutrient cycling, which helps your garden stay productive and resilient long term.

• Yarrow, fennel, and goldenrod attract the insects that eat your garden’s worst pests — These flowers act like magnets for lady beetles, parasitic wasps, hoverflies, and lacewings — the insect world’s cleanup crew. These natural allies target and kill aphids, thrips, spider mites, caterpillars, and beetles, preventing them from wiping out your greens, tomatoes, or cucumbers.

According to the article, “The most important benefit is how wildflowers attract predatory insects,” shifting the focus from reaction to prevention.

• Their umbrella-shaped blooms are designed to support predator insects — Fennel and yarrow have umbrella-like clusters of flowers, called umbels, that make it easy for short-tongued insects to access nectar. This helps keep tiny beneficial insects like parasitic wasps and hoverflies energized and active in your garden. Many of them lay eggs directly into pests like hornworms, where their larvae hatch and devour the pest from the inside out.

• These same flowers strengthen your soil while protecting it from erosion — If you’re dealing with bare patches, runoff, or compacted dirt, these flowers do double duty. Yarrow fills gaps fast, holding topsoil in place and limiting erosion. Goldenrod thrives in sloped or erosion-prone areas, anchoring the soil during heavy rain. For gardeners in areas with heavy clay or sandy beds, these plants offer a low-effort fix that improves structure over time.

• Some wildflowers even earn their keep as crops or useful herbs — Fennel isn’t just a pest magnet — its bulbs and seeds are edible and marketable. Bee balm (Monarda) offers leaves for tea with a minty, peppery flavor, and milkweed attracts monarch butterflies while supporting pollinator diversity. With the right mix, you’re not just growing flowers; you’re adding revenue streams and apothecary tools to your backyard.

Choose Wildflowers That Match Your Region’s Soil and Climate

Yarrow survives in U.S. Department of Agriculture Zones 3 through 9, making it reliable in both frosty winters and scorching summers.2 Liatris and milkweed are well-suited for dry, drought-prone gardens, while Joe Pye weed thrives in wetter areas near creeks or drainage spots. Matching the flower to the soil helps reduce maintenance and boosts long-term success.

• Wildflower roots support a thriving underground microbial network — These wildflowers aren’t just feeding bees above ground — they’re feeding beneficial microbes below it. Their roots support fungi and bacteria that help your vegetables absorb key nutrients like phosphorus and nitrogen. The result? Stronger root systems, faster growth, and better crop health, without synthetic fertilizers.

• More insects mean fewer diseases — Pests don’t just chew holes — they spread viruses and bacteria. Wildflower-attracted insects interrupt these cycles by keeping vector populations low. This means fewer sick plants, stronger defenses, and less need for chemical sprays.

• Each season, your garden gets smarter and stronger — Many of these flowers reseed on their own or spread through underground roots. That means the longer you use them, the stronger their benefits become. You’ll spend less time replanting, less money on inputs, and see more life, and harvest, in your garden year after year.

These Flowers Work Overtime in Your Garden

A piece from Meadowlark Journal details how planting specific flowers in and around your vegetable garden supports a more balanced and productive garden.3 The article explores how integrating colorful annuals and perennials helps pull in beneficial insects, prevent pest outbreaks, support pollination, and improve soil health, all without synthetic chemicals.

• The right flowers make your entire garden work smarter, not harder — Pairing specific blooms with your vegetables makes your space more productive. When you surround your crops with the right flowers, you attract natural pest controllers, boost pollination, improve soil health, and reduce the need for pesticides or fertilizer.

• Best flowers for pest control and pollination? Start with marigolds, alyssum, and nasturtiums — Marigolds do double duty by repelling root-damaging nematodes and attracting lacewings and ladybugs that feed on aphids. Sweet alyssum draws in hoverflies and predatory wasps, keeping caterpillars and aphids in check. Nasturtiums are the garden’s decoy — they lure pests away from your veggies and act as living trap crops.

• Borage and sunflowers pull their weight by boosting vegetable yields — Borage lifts minerals from deep in the soil where most vegetable roots can’t reach, feeding nearby crops like tomatoes, squash, and strawberries. Sunflowers act as pollinator magnets and natural trellises for beans and cucumbers, helping you maximize space and support climbing plants without needing extra structures.

• Zinnias, lavender, and calendula directly improve soil health and root strength — These flowers aren’t just beneficial above ground — they work below the surface, too. Zinnias and lavender reduce erosion and bring in pest-fighting insects. Calendula improves soil aeration, helps beneficial insects like lacewings thrive, and feeds the earth as it breaks down after blooming. The result? Looser soil, better drainage, and stronger roots.

Flower and Veggie Combos Give You a Major Edge

Warm-season pairings — like zinnias with squash or cosmos with melons — create mini microclimates that protect sensitive plants from extreme sun while drawing in more bees.4 These flower partners also help repel pests like cucumber beetles and squash vine borers. In cooler weather, calendula and violas pair well with lettuce and root crops for similar benefits.

• Smart layout tips help you get more from small spaces — Instead of lining up vegetables in strict rows, try tucking flowers at the base of tall crops or placing them in hanging baskets for vertical impact. Borage planted at the corners of strawberry beds, or marigolds circling tomato plants, help you make the most of every square foot, improving function and drawing in beneficial insects where you need them most.

• Some flowers even boost flavor and resilience — Basil planted near tomatoes or peppers doesn’t just keep mosquitoes and flies away — it actually improves their flavor and growth rate. Lavender pulls pollinators into your plot while keeping deer and moths at bay.

Flowers Add Function, Not Just Color, to Your Garden Beds

A detailed guide from Gardenary breaks down why every kitchen garden should include flowers as essential components of soil health, pest control, and biodiversity.5 It outlines four key reasons: attracting pollinators and predators, improving soil, offering edible blooms, and enhancing the beauty of your space, all of which benefit vegetable production.

• Some of the best flowers in your garden belong on your plate or in your medicine cabinet — You don’t have to choose between beauty and utility. Calendula petals can be made into soothing skin salves or brewed into a calming tea. Borage blooms are perfect in salads or frozen into ice cubes for herbal drinks. Nasturtium flowers and leaves add a spicy, peppery bite to meals.6 These edible flowers serve multiple functions — feeding you, feeding your pollinators, and strengthening your garden ecosystem.

• Choose flowers based on the pests you’re battling — If aphids or squash bugs are tearing up your crops, Gardenary suggests planting marigolds to repel nematodes and attract helpful insects like ladybugs. Catmint, sage, and lavender all use strong fragrances to confuse and deter destructive insects like Japanese beetles and cabbage worms. Nasturtiums lure pests away from high-value vegetables like broccoli and kale, sacrificing themselves to protect the rest of your crop.

• Flowers break up hard soil and pull nutrients to the surface — Plants like phacelia and clover act as living soil boosters. Their roots loosen compacted earth, help with drainage, and leave behind nutrient-rich organic matter as they die back. Comfrey and dandelion have long taproots that mine minerals like calcium and potassium from deep underground, delivering them where your veggies can use them.

• Layout matters — use flower placement to boost airflow, light, and growth — Gardenary recommends skipping the straight rows and thinking in layers. Pair sunflowers with bush beans to avoid shading out smaller plants. Surround brassicas like cabbage with lavender to confuse pests and add fragrance. Let nasturtiums sprawl beneath taller crops like okra to cover the soil, prevent weeds, and deter bugs, all in the same space.

• Use the seasons to guide your flower choices and planting timeline — In fall, start with cool-hardy blooms like larkspur, yarrow, and Queen Anne’s lace. Once spring arrives, switch to heat-lovers like cosmos, marigolds, and zinnias. This staggered system means your garden keeps feeding pollinators all year long, and your soil never sits bare.

• No big garden? No problem — flowers work in containers, too — Even if you’re growing on a balcony, in a courtyard, or in a few raised beds, you can still make flower-based gardening work. Use hanging baskets or grow bags to add layers of pollinator-friendly plants throughout your space. Move them around to experiment with light, airflow, or pest pressure without committing to fixed beds. This makes gardening more forgiving and more fun.

How to Rebuild a Healthier Garden Using Flowers as Tools

If your vegetable garden is constantly battling pests, drying out too fast, or struggling to produce, the real issue could be a lack of support plants. Flowers aren’t just decorative — they solve root problems like soil erosion, poor pollination, and pest overload. By choosing the right flowers and placing them strategically, you give your vegetables the backup they need to thrive without chemicals. Here’s how to get started:

1. Choose flowers that fix the biggest problem in your garden — If you’re fighting off aphids or squash bugs, start with marigolds and nasturtiums. If you’re noticing low yields or misshapen fruit, focus on flowers that attract more bees and butterflies, like zinnias, borage, or cosmos. For compacted soil or poor drainage, calendula, clover, and phacelia are the go-to picks because they naturally improve soil structure as they grow and break down.

2. Plant with a purpose, not just for color — Every flower should have a job. Use sunflowers as living fences or trellises for beans and cucumbers. Add basil and lavender to repel moths and mosquitoes while boosting flavor in nearby tomatoes and peppers. If you’re working with limited space, place flowers in baskets or pots near your veggies to attract pollinators without crowding your garden beds.

3. Pair the right flower with the right veggie — Match based on sun, size, and season. For example, tuck marigolds around your tomato or pepper plants. Place borage near squash or strawberries to help pull up nutrients. Grow cosmos behind zucchini or melons to shade the soil and attract hoverflies. Avoid pairing sunflowers with potatoes — sunflowers release compounds that stunt certain root vegetables.

4. Start with what’s easiest to grow — If you’re new to gardening or short on time, begin with direct-sow flowers like zinnias, salvia, and wildflower blends. They grow fast and require almost no babying. You’ll see results within weeks, and so will your vegetables. This gives you an early win and keeps motivation high throughout the season.

5. Build your garden to evolve and improve each year — Perennials like yarrow, lavender, and Joe Pye weed come back every season and expand your flower coverage over time. Let self-seeding annuals like calendula and borage do some of the work for you. Once they’re established, you’ll spend less time replanting and more time harvesting. Your garden will start managing itself.

FAQs About Flowers for Your Vegetable Garden

Q: What are the best flowers to plant in a vegetable garden for pest control?
A: Top choices include yarrow, fennel, goldenrod, marigolds, sweet alyssum, and nasturtiums. These flowers attract beneficial insects like lady beetles, parasitic wasps, and hoverflies that prey on pests such as aphids, thrips, and caterpillars.

Q: How do flowers improve soil health?
A: Flowers like calendula, borage, clover, and comfrey break up compacted soil, prevent erosion, and feed beneficial soil microbes. Their roots loosen the ground and pull up deep minerals like calcium and potassium, helping nearby vegetables absorb more nutrients.

Q: Can I grow flowers and vegetables together in small spaces?
A: Yes. Flowers can be tucked between crops, grown in containers, or added to hanging baskets. Strategic placement boosts airflow, pollination, and pest control without requiring large garden beds.

Q: Which flowers are edible or medicinal?
A: Calendula, borage, nasturtiums, and bee balm are edible and offer health benefits. Calendula petals work well in teas or salves, while nasturtiums add a peppery flavor to salads. These multipurpose blooms support your garden and your wellness.

Q: How should I choose flowers based on my garden’s needs?
A: Select flowers based on your biggest challenges — marigolds and nasturtiums for pests, borage and cosmos for pollination, or clover and phacelia for soil structure. Match flowers to your region’s climate, and pair them seasonally with vegetables to maximize benefits.

If you’ve been searching for a single activity that improves your physical health, calms your nervous system, and protects your brain as you age, the answer might be sitting right outside your door. Gardening is often dismissed as a casual hobby, but a growing body of research shows it functions more like a full-spectrum health intervention. It moves your body, exposes you to sunlight, lowers stress hormones, sharpens your thinking, and even shifts your eating habits in a lasting way.

What makes gardening unusual is how many systems it touches at once. Gardening blends physical activity, mental engagement, stress reduction, and lifestyle structure into a single routine.1 Most health strategies ask you to optimize one variable at a time. Gardening reshapes several of them in parallel, which is part of why its effects show up across so many different studies.

This matters because the biggest threats to your long-term health rarely come from one source. Chronic stress, inactivity, and poor diet feed into each other. Elevated cortisol disrupts sleep, weakens immune function, and accelerates cognitive decline. Low physical activity reduces blood flow to your brain and limits the production of brain-derived neurotrophic factor (BDNF), a compound that supports memory and learning.

Poor nutrition compounds both. When those systems break down together, your energy, focus, and resilience decline with them. That’s why a simple, hands-on activity like gardening stands out. It doesn’t target one problem in isolation. It rebuilds the foundation underneath several of them at once, from your muscles to your nervous system to your brain. To understand why that happens, it helps to start with what gardening actually does to your body physically, where the most immediate changes begin.

Gardening Works Your Body and Resets Your Stress at the Same Time

A report by The Seattle Times describes gardening as “quite simply, hard work,” involving lifting soil, digging trenches, and repeated squatting and bending.2 These are the same movement patterns used in structured workouts. Instead of forcing yourself through a routine, you get strength training and cardio while doing something productive and engaging. The article frames gardening as a “green gym,” meaning your environment itself becomes your training space.

• You gain measurable increases in weekly activity without forcing it — Research published in The Lancet Planetary Health journal found people who started gardening increased their moderate-to-vigorous exercise by about 42 minutes per week.3 That’s a meaningful jump without adding a formal workout program. If you struggle to stay consistent with exercise, this gives you a built-in way to close the gap simply by maintaining a garden.
Gardening improves grip strength, flexibility, balance and stamina. These directly affect how well you move, reduce injury risk and support long-term mobility. Think about carrying bags of soil or pushing a wheelbarrow. Those actions train your body in ways machines often fail to replicate.

• Sun exposure during gardening supports key systems in your body — Spending time outside while gardening triggers vitamin D production through sunlight exposure while optimizing your cellular health. That process supports bone health, immune regulation, and function of your mitochondria, your cells’ energy factories. Instead of adding another supplement or routine, you build this into your day naturally. It ties your environment directly to your physiology in a way indoor lifestyles don’t.

• Gardening shifts your mental state by forcing you into the present moment and reducing stress — Gardening pulls your attention into the present in a way few activities can. You can’t weed a row of carrots while doomscrolling.
The task itself demands that your hands, eyes, and mind occupy the same moment, and your nervous system responds to that focused attention by easing off the stress accelerator. When you focus on physical tasks like planting or weeding, your mental chatter drops and your body moves into a calmer state.
A study published in the Journal of Health Psychology compared gardening to reading after a stressful task and found both reduced stress, but gardening led to a “significantly better mood” and “lower levels of cortisol.”4 Cortisol is your primary stress hormone. Lowering it reduces strain on your body, improves recovery, and stabilizes your mood.
Soil exposure even triggers brain chemistry changes that improve mood. The article highlights specific soil bacteria, including Streptomyces rimosus, which is linked to reduced inflammation markers. That means simply working with soil changes your internal chemistry in a way that supports mental health.

• Your senses do the calming work for you — The warmth of sun on your neck, the resistance of soil against your fingers, the smell of crushed basil; these signals tell your nervous system, in a language older than thought, that you’re safe. Researchers call this heightened body awareness interoception, and it’s one of the channels through which your body shifts out of fight-or-flight mode.

• Growing your own food rewires what ends up on your plate — When you’ve spent six weeks watching a tomato plant climb its trellis, you don’t let the fruit rot on the counter. You eat it. You plan meals around it. You hand one to your neighbor. The investment of time in growing food changes the calculation in ways willpower never could.

Gardening Challenges Your Brain and Builds Long-Term Mental Resilience

The most surprising effects of gardening may not happen in your muscles or your gut; they happen between your ears. The Washington Post framed gardening as an activity that “supports cognitive health” by combining several proven brain-protective behaviors into one routine.5 Gardening stacks multiple benefits together, which increases your odds of maintaining memory and mental sharpness as you age.

• Large-scale data shows a clear link between gardening and better brain function — One of the strongest findings highlighted in the article comes from a study involving nearly 137,000 adults age 45 and older.6,7 People who engaged in regular activities like gardening reported fewer memory problems and fewer limitations in daily function tied to cognitive decline.
That translates into something very practical. You stay independent longer. You think more clearly. You handle daily tasks with less difficulty.

• Gardening influences multiple brain-related lifestyle factors at once — Experts quoted in the report emphasize that gardening touches “nearly every lifestyle factor brain-health research has already confirmed matters,” including movement, sleep quality, social interaction, and mental engagement.
Instead of trying to optimize each area separately, this gives you a single activity that improves all of them at once. That simplifies your approach and reduces the mental load of trying to manage your health.

• Long-term tracking shows benefits that carry into older age — A separate longitudinal study followed participants from childhood into their late 70s and beyond.8 Those who reported gardening at age 79 showed better thinking skills and stronger memory compared to their earlier baseline. This tells you the habit compounds over time. The earlier you start and the more consistent you stay, the more benefit you build.

• Gardening strengthens multiple types of thinking at the same time — Planning what to plant, remembering care schedules, and solving problems as plants grow all engage different parts of your brain. This includes memory, decision-making, and what researchers call executive function, meaning your ability to plan and follow through. Instead of passive activities, you actively train your brain each time you garden.
The article explains that engaging multiple brain systems at once “may help build the brain’s resilience against decline.” In simple terms, you create a stronger, more adaptable brain. This makes it easier to maintain function even as you age or face stress. It’s similar to cross-training for your mind rather than relying on one narrow activity.

• Physical movement from gardening feeds your brain at a biological level — Experts explain that movement increases blood flow to your brain and boosts levels of BDNF, which acts like fertilizer for your brain cells.
BDNF helps existing brain cells survive longer, encourages them to form new connections with each other, and supports the birth of new cells in the hippocampus, the brain region that turns short-term experiences into long-term memories. When BDNF levels rise, your brain becomes better at learning, adapting, and retaining information.

Use Gardening to Rebuild Your Energy, Focus, and Daily Health Habits

Modern life pulls you in the opposite direction of what your body and brain need. You sit more, move less, stay indoors, and stay mentally scattered. That combination drives stress, weakens your physical capacity, and dulls your mental edge over time. Gardening flips that pattern. It restores movement, sunlight, focus, and real-world engagement in one place. If you want a simple way to correct a root cause behind low energy, chronic stress, and cognitive decline, this is where you start.

1. Start small so you build consistency, not overwhelm — If you’ve never gardened, start simply. A few pots, a raised bed, or even herbs on a windowsill are enough. What matters is repetition. When you create a setup that fits your space and schedule, it makes it easier to show up daily, which is where the real benefits come from. Think of this as your baseline habit. You gain benefits by doing it often, not by doing it perfectly.

2. Turn gardening into your daily movement routine — Replace part of your exercise time with gardening tasks. Digging, planting, watering, and carrying supplies all count. If you already work out, treat gardening as functional training that improves how your body actually moves. If you’re sedentary, this becomes your entry point. Set a simple goal like 20 to 30 minutes per day. Track your time like a game. Watch your weekly total climb.

3. Use gardening to reset your stress response in real time — When your mind feels overloaded, step outside and work with your hands. Focus on the task in front of you. Feel the soil, notice your body position, and pay attention to your breathing. This acts as a physical reset. The more you practice this, the faster your body shifts out of stress mode. Treat each session like a reset button you can press anytime.

4. Engage your brain by planning and solving problems in your garden — Decide what to plant next. Track what grows well. Adjust your approach when something fails. This builds memory, decision-making, and problem-solving skills at the same time. If you like structure, keep a simple log or checklist. If you prefer flexibility, treat it like an experiment. Either way, you stay mentally engaged, which strengthens your brain over time.

5. Grow at least one food you will actually eat and enjoy — Choose something simple and rewarding like tomatoes, herbs, or leafy greens. When you harvest something you grew yourself, you value that food more. You eat it more often. That improves your daily nutrition without forcing it. If your fridge regularly fills with vegetables that wilt before you eat them, this is the fix that finally works. You don’t have to want kale more; you just have to grow lettuce, and the wanting takes care of itself.

FAQs About Gardening Health Benefits

Q: How much gardening do I need to see real health benefits?
A: Research shows even modest increases, like adding around 40 minutes of activity per week, lead to measurable improvements. What matters most is consistency. Short, regular sessions build strength, improve mood, and support long-term brain health more effectively than occasional long efforts.

Q: Does gardening really count as exercise?
A: Yes. Gardening includes movements like lifting, digging, squatting, and carrying, which mirror strength training and cardiovascular activity. These movements improve flexibility, balance, and endurance in ways that directly translate to better daily function and reduced injury risk.

Q: How does gardening reduce stress so quickly?
A: Gardening lowers cortisol, your main stress hormone, while shifting your attention into the present moment. The combination of physical movement, outdoor exposure, and sensory input helps your nervous system move out of stress mode and into a calmer, recovery-focused state.

Q: Can gardening actually improve my brain function as I age?
A: Evidence shows people who garden regularly report fewer memory problems and better daily functioning later in life. Gardening engages memory, decision-making, and problem-solving all at once, while also supporting brain chemistry through increased blood flow and higher levels of BDNF, which supports memory formation.

Q: Does growing my own food really change how I eat?
A: Yes. When you grow food yourself, you place higher value on it and are more likely to eat it regularly. This leads to higher intake of fresh, nutrient-rich foods without relying on willpower. Over time, this shifts your eating habits in a lasting and practical way.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

How did the U.S. Environmental Protection Agency (EPA) change its way of evaluating drinking water contaminants?

By focusing on testing one contaminant at a time in water
By reviewing only contaminants that are already regulated
By shifting to groups of contaminants instead of single substances
The update prioritizes groups like microplastics and pharmaceuticals, helping track combined exposure instead of isolated substances. Learn more.
By limiting testing to contaminants found only in bottled water

1 What animal has been found to develop brain changes seen in Alzheimer’s disease?

Laboratory mice
Bottlenose dolphins
Bottlenose dolphins can naturally develop amyloid plaques and brain inflammation, two brain changes also seen in Alzheimer’s disease. Learn more.

African elephants
Domestic cats

2 What happened when older adults had weaker slow-wave sleep?

Morning focus improved after waking
Anxiety levels were higher the next day
Weaker slow-wave sleep was linked to higher next-day anxiety, likely because the brain had less overnight emotional recovery. Learn more.

Stress responses became easier to control
Emotional balance stayed mostly unchanged

3 How does somatic therapy differ from talk therapy?

Talk therapy focuses only on muscle tension
Somatic therapy avoids the nervous system
Somatic therapy starts with body signals
Somatic therapy begins with body signals like tension and shallow breathing, while talk therapy focuses more on conversation and understanding. Learn more.

Talk therapy is based on barefoot grounding

4 How does gut health affect diabetic neuropathy?

A weak gut barrier can increase nerve inflammation
A weakened gut barrier can let bacterial toxins enter circulation, raising inflammation that may worsen nerve irritation and pain sensitivity. Learn more.

Better digestion removes the need for nerve repair
Gut bacteria stop all blood sugar problems quickly
The intestines have no role in diabetic nerve pain

5 Why have many people used semaglutide as a quick weight loss fix?

It builds muscle while removing fat
It slows digestion and curbs appetite
Semaglutide slows digestion and curbs appetite, but using it mainly for weight loss may hide serious risks to muscle, organs, bones, and mental health. Learn more.

It improves bone density in older adults
It removes hunger without side effects

6 What matters most for meditation benefits?

Feeling deeply relaxed every single time
Avoiding discomfort during each session
Taking quiet breaks even without focused effort
Staying present through mental challenge
Meditation benefits can come from staying present through discomfort, which helps train the brain to handle stress better over time. Learn more.

7 Why does grass fed dairy matter more than low-fat dairy?

Low-fat dairy always has more C15:0
Grass fed dairy removes all saturated fat
Grain fed dairy has no nutrients at all
C15:0 is found in the fat portion of milk
C15:0 is found in milk fat, so removing fat lowers C15:0 levels. Grass fed dairy also contains more C15:0 than grain fed dairy. Learn more.

Test Your Knowledge with
The Master Level Quiz

1 Which foods contain C15:0?

Wild-caught fish
Leafy greens and berries
Full-fat dairy and pasture-raised meats
C15:0, also called pentadecanoic acid, is found in full-fat dairy and pasture-raised meats and may help support brain cell health. Learn more.

White rice and refined grains

2 If you live near a golf course, how can filtering your drinking water help?

It lowers pesticide exposure from local groundwater
Filtering drinking water can reduce pesticide residues from local groundwater, helping lower daily exposure, and support neurological health. Learn more.

It removes plenty of possible Parkinson’s disease risks
It adds minerals that block all nerve damage
It makes nearby pesticide spraying unnecessary

3 Which statement about Alzheimer’s disease is not accurate?

Brain changes can begin before symptoms appear
Memory and independence can decline over time
Alzheimer’s disease develops only overnight
Alzheimer’s disease does not develop overnight. Brain changes may unfold years before memory loss or other symptoms appear. Learn more.

Prevention strategies are becoming more urgent

4 What can help improve sleep quality?

Drinking more fluids close to bedtime
Leaving the television on all night at whisper volumes
Keeping the room dark, quiet and cool
A dark, quiet and cool room can improve sleep depth. Reducing nighttime noise, using blackout curtains, and avoiding late fluids may also help. Learn more.

Raising the room temperature before bed

5 Aside from bentonite clay, what other toothpaste ingredient do you need to watch out for?

Peppermint oil
Calcium carbonate
Heavy metals may enter toothpaste through poorly tested ingredients like calcium carbonate, hydroxyapatite, and bentonite clay, so sourcing matters. Learn more.

Coconut oil
Baking soda

6 Which flavonoid may help prevent vascular calcification?

Quercetin
Luteolin
Apigenin
Fisetin
Fisetin is a flavonol found in strawberries, apples, and onions. It may help prevent artery calcification. Learn more.

7 What is the practice of walking barefoot outdoors to absorb the Earth’s electrons called?

Earth worship
Terranova studies
Nervous system reset
Earthing
Earthing means walking barefoot outdoors to connect with the Earth’s surface, while somatic grounding is used to calm the nervous system. Learn more.

8 How do microplastics enter your body?

Via skin contact with plastic bags
Through food, water, and air
Microplastics can enter through food, water, and air, then lodge in tissues and trigger inflammation that may disrupt normal cell function. Learn more.

Only from drinking bottled water
Mainly through plastic containers

9 Why is store-bought sauerkraut often less beneficial for gut health?

It contains too much fresh cabbage fiber
Pasteurization removes helpful live cultures
Store-bought sauerkraut is often pasteurized, which can remove live cultures and beneficial metabolites that support gut health. Learn more.

Fermentation makes it harder to digest
Homemade sauerkraut lacks gut metabolites

10 Which daily habit may help calm hypersensitive nerves?

Walking after meals
Walking after meals supports circulation and glucose handling, which may help lower inflammatory stress linked to hypersensitive nerves. Learn more.

Nap for a few hours to feel more awake
Drinking two cans of non-alcoholic beer for relaxation
Frying with high-quality, extra virgin olive oil

11 Which condition is not listed as something dimethyl sulfoxide (DMSO) may help support?

Chronic pain from arthritis
Skin burns and ulcers
Seasonal food cravings
Chronic pain, burns, ulcers, tinnitus, and sinusitis are listed among DMSO’s possible uses, while seasonal food cravings are not included. Learn more.

Tinnitus and sinusitis

12 Which symptom may be a sign of low zinc?

Sudden bursts of extra energy
Faster hair growth than usual
Frequent colds and slow recovery
Low zinc may show up as frequent colds, fatigue, thinning hair, poor appetite, or slow recovery because zinc supports immune and cellular function. Learn more.

Stronger appetite after every meal

13 How can semaglutide affect muscle health?

Muscle size grows faster than strength
Muscle repair becomes stronger with age
Muscle strength may drop even if size looks stable
Semaglutide may reduce muscle strength even when muscle size looks stable, raising the risk of frailty, falls, injuries, and loss of independence. Learn more.

Muscle loss happens only after stopping the drug

14 Which one is not a type of kyphosis?

Inflammatory kyphosis
Kyphosis can result from poor posture, aging, or structural spine damage from osteoporosis-related fractures. Inflammatory kyphosis does not fit those causes. Learn more.

Postural kyphosis
Age-related kyphosis
Structural kyphosis

15 What percentage of American adults do not do physical activity after work?

15.8%
25.3%
About 25.3% of American adults are sedentary after work, which means they do not engage in physical activity during their off-hours. Learn more.

38.6%
49.2%

16 What is a simple way to practice meditation without a retreat?

Use daily focus, repetition, and consistency
Daily meditation with a clear focus, repeated effort, and consistency helps build attention, emotional control, and steadier energy. Learn more.

Wait until stress fully disappears first
Meditate only when life feels calm
Replace focused practice with rest only

17 Among these, which is not a key way to preserve bone strength?

Relying on multiple medications
Bone strength depends on lifestyle and hormonal balance, with weight-bearing exercise, sunlight, and nutrient-rich foods playing key roles. Learn more.

Doing weight-bearing exercise
Getting healthy sunlight exposure
Eating nutrient-rich whole foods

18 Which statement is true about cue-related brain activity?

Phone breaks make the brain ignore phone images
Neutral pictures trigger the strongest phone cravings
Phone cues can activate brain areas tied to wanting
Cue-related brain activity means the brain reacts to triggers, such as phone images, by activating areas tied to wanting rewards or checking the phone. Learn more.

Brain scans show phones have no effect on attention

19 Which foods are most likely to contain more odd-chain saturated fats like C15:0?

Premium nuts like macadamia and pine nuts
Grass fed full-fat dairy products
Full-fat dairy from grass fed cows, such as milk, butter and cheese, provides some of the richest sources of C15:0. Learn more.

Wild fish such as salmon and sardines
Cold-pressed oils like olive and avocado oil

20 What type of work can disrupt the body’s natural circadian rhythm?

Daytime desk work
Morning farm work
Weekend volunteer work
Shift work at night
Shift work can disrupt circadian rhythm when someone stays awake for three or more hours between 10 p.m. and 5 a.m. on many workdays. Learn more.

21 What may help trigger the degenerative process seen in Alzheimer’s disease?

Impaired brain blood flow and lymphatic drainage
Poor brain blood flow and weak lymphatic drainage may impair waste removal, which can raise dementia risk and contribute to cognitive decline. Learn more.

Stronger circulation during deep sleep
Better oxygen delivery to brain tissue
Improved waste removal from the brain

You’ve likely been told that omega-3s are your go-to remedy for inflammation — that taking fish oil will protect your heart, sharpen your brain, and extend your life. But what if the story isn’t that simple?

For years, the narrative around omega-3 fats has been built on the idea that they’re anti-inflammatory by nature. They’ve been packaged into pills, added to processed foods, and promoted as one of the most important supplements you can take. Millions rely on them daily, believing they’re supporting long-term health and disease prevention.

But something isn’t adding up. Inflammation remains at the core of most chronic diseases, yet rates of those diseases keep climbing, even among those who supplement with omega-3s. Could the problem be the very thing you’ve been using as the solution?

A line of research is forcing a major re-evaluation. It challenges the idea that more omega-3 automatically equals better health. And it raises an uncomfortable but necessary question: Is your fish oil doing more harm than good? Let’s dig into what the researchers discovered, and why it matters so much for your health.

Omega-3s and Omega-6s Both Linked to Higher Inflammation

A study published in the International Journal of Epidemiology looked at how omega-3 and omega-6 fats really affect inflammation in your body.1 Instead of just asking people what they ate, the researchers used data from two large population groups — the UK Biobank and the Avon Longitudinal Study of Parents and Children — and a method called Mendelian randomization. This tool uses genetic data to figure out if something actually causes a health problem, or if it’s just linked to it by chance.

• Over 15,000 healthy people were analyzed, and the results were surprising — Researchers focused on three key markers in the blood that show inflammation: C-reactive protein (CRP), interleukin-6 (IL-6), and glycoprotein acetyls (GlycA).

While CRP is a general alarm bell for inflammation, GlycA gives a steadier view of low-grade inflammation that lasts over time. To their surprise, both omega-3 and omega-6 fats were linked to higher GlycA levels. That includes docosahexaenoic acid (DHA), an omega-3 found in fish oil, and linoleic acid (LA), an omega-6 polyunsaturated fat found in vegetable oils. Both also raised CRP.

• Higher omega-3 levels raised two major inflammation markers — Using genetic data to filter out things like diet and lifestyle, the researchers found that higher omega-3 levels actually caused increases in both CRP and GlycA. This matters because both of these markers are connected to long-term health problems like heart disease and Type 2 diabetes. The numbers were clear: total omega-3 fats led to a 0.09-point rise in CRP and a 0.12-point rise in GlycA — enough to raise a red flag.

• It wasn’t just the omega-6 to omega-3 ratio — each type of fat raised inflammation on its own — For years, people thought the problem was an imbalanced ratio — too much omega-6 and not enough omega-3. But this study found that both fats, even on their own, caused a spike in GlycA. And people with higher omega-6 to omega-3 ratios were more likely to have higher levels of all three inflammatory markers.

• Omega-6s were confirmed to be inflammatory, even after adjusting for other fats — When the researchers factored in other fats like cholesterol, triglycerides, saturated fat, and monounsaturated fat, omega-6s still stood out as drivers of inflammation. Omega-3s didn’t show a strong independent effect anymore, meaning their influence could depend on your overall diet. But omega-6s caused inflammation no matter what else was going on.

Omega-3 and Omega-6 Fats Go Through the Same Chemical Pathways in Your Body

Both fats are processed by your body using the same set of enzymes. Since they rely on the same machinery, they compete with each other. If your system is flooded with omega-6, it slows down your body’s ability to process omega-3, and vice versa. Some of the byproducts made in this process fuel inflammation or increase blood clotting depending on how much of each fat is present.2

• Your genetics shape how you respond to these fats — The study also looked at specific genes that control how your body metabolizes fats. People with gene variants linked to DHA production had higher CRP levels, while those linked to LA metabolism had slightly lower CRP. This shows that your genetic makeup influences how these fats impact your body, but the picture is complicated, and other factors also play a role.

• Neither omega-3 nor omega-6 behaved like anti-inflammatories — This study directly contradicts the idea that omega-3s fight inflammation. In reality, both types of fats had either no effect or made inflammation worse. The takeaway is clear: blindly taking fish oil or eating “heart-healthy” vegetable oils is making things worse, not better.

Bad Diets Put Your Immune System on High Alert — and That Keeps You Inflamed

A study published in Frontiers in Immunology looked at 19,110 U.S. adults and found that people who ate low-quality diets had more signs of chronic inflammation.3 The researchers used two major tools to measure diet: one that scored overall diet quality and another that looked at how inflammatory the foods were. The goal was to see how your daily food choices affect your immune system.

This also helps explain why omega-3 supplements, as shown in the International Journal of Epidemiology study,4 didn’t reduce inflammation. If the rest of your diet is poor, simply adding omega-3s won’t fix the underlying immune imbalance. Instead, it could even backfire, raising inflammation further if your body is already under metabolic stress.

• People with the worst diets had the highest levels of immune activity, without being sick — Those eating the most processed, nutrient-poor foods had the highest levels of white blood cells, platelets, and neutrophils — cells that rush in when your body senses danger. Even though these people weren’t fighting off an infection, their immune systems acted like they were. People with the worst diets were stuck in a constant state of low-grade inflammation.

• You can’t fix a bad diet with a few “healthy” foods — Even if you include anti-inflammatory foods like berries, your immune system won’t calm down if the rest of your diet is poor. What really matters is the overall quality and balance of everything you eat.

The study showed that people with pro-inflammatory diets still had lower inflammation if their total diet quality was high. That means it’s not about eating a few good foods — it’s about building every meal around whole, unprocessed ingredients.

• Inflammation hits harder as you get older — The study found that age makes this problem worse. As you get older, your immune system naturally becomes more reactive and less flexible, a process sometimes called “inflammaging.” That means a poor diet is even more harmful if you’re over 50. What you eat in your 60s and 70s has a bigger impact than it did in your 30s.

• Fiber, alcohol, and calories made the biggest difference in inflammation levels — When the researchers broke it down, three things stood out: not getting enough fiber, drinking too much alcohol, and overeating were the biggest drivers of inflammation. If you’re eating clean but still bloated, tired, or dealing with brain fog, chances are you’re still missing enough fiber or eating too much overall.

Even a perfect supplement routine won’t calm your immune system if those three areas aren’t under control. Remember, fiber is necessary, but if you consume it when your gut is unhealthy, it makes symptoms worse. So, before increasing your intake of high-fiber foods, be sure your gut is healthy.

How to Reduce Inflammation Without Making It Worse

If you’ve been relying on fish oil or omega-3 supplements to fight inflammation, it’s time to rethink that plan. The latest research shows that these fats — especially when taken in high doses or without regard for your overall fat balance and diet quality — actually raise key inflammation markers in your body. That means what you thought was helping is keeping you stuck in a cycle of low-grade immune stress.

The good news is, there are simple, proven ways to shift your body out of that inflammatory state. These steps don’t just patch symptoms — they address the root of the problem: too much LA from vegetable oils, poor fat balance, and oxidized or low-quality supplements that work against your health goals. Here’s what I recommend to start fixing the problem at its source:

1. Ditch the vegetable oils that flood your cells with inflammatory fat — If your diet includes soybean oil, canola oil, sunflower oil, corn oil, or safflower oil, even in small amounts, your body is likely overloaded with LA. That’s the real driver of inflammation for most people.

These oils are hidden everywhere: salad dressings, sauces, chips, restaurant meals, even “healthy” processed snacks. Swap them for anti-inflammatory fats like grass fed butter, ghee, or tallow. If you eat out frequently or rely on packaged foods, start flipping labels, and looking for those oils — they’re everywhere.

2. Switch from fish oil to krill oil to protect your cells — If you’re taking omega-3 supplements, I recommend making the switch to krill oil. Unlike fish oil, krill oil binds omega-3s to phospholipids — fat molecules that actually make up your cell membranes. That means your body absorbs them better and routes them where they’re needed most, like your liver and brain.

Krill oil also contains astaxanthin, a powerful antioxidant that prevents it from going rancid. Rancid fish oil doesn’t just stop working — it turns toxic. That’s the last thing you want in your bloodstream if you’re trying to cool inflammation.

3. Be smart about dosage — high levels of omega-3s backfire — Here’s where people go wrong: they assume that more omega-3 is always better. But that thinking has led to a dangerous trend. High doses of omega-3 supplements, especially those taken long term, have been linked to an increased risk of atrial fibrillation, a heart rhythm disorder that raises your risk of blood clots and stroke.5

This is the omega-3 paradox: the very thing you’re taking to protect your heart could be harming it if the dose is too high. You don’t need megadoses to see benefits. Stick with a food-first approach when possible — prioritize wild-caught fish like Alaskan salmon, sardines, anchovies, and mackerel — and if you use krill oil, keep it in a moderate range. Just enough to support liver repair and heart health without tipping the balance.

4. Rebuild your fat balance by focusing on animal-based whole foods — Most people don’t need to be loading up on plant-based oils for health. You’re better off getting your fats from whole, unprocessed animal sources — like pasture-raised eggs, grass fed beef, lamb, bison, and dairy from grass fed animals.

These fats have a better balance of saturated and monounsaturated fats and far less LA than even olive oil or so-called “healthy” seed-based products. If you’re still eating almond butter, nuts, or seeds, which are high in LA, that’s going to slow your progress.

5. Avoid processed foods that hide damaged fats and drive inflammation — Even if you’re eating healthy most of the day, one processed meal or snack reintroduces the same harmful fats you’ve been trying to avoid.

Even “healthy” processed snacks like protein bars and salad dressing often still contain high-LA oils. Don’t trust gluten-free chips, store-bought sauces, or dairy-free desserts. Stick to simple ingredients and make your own versions when possible. If your goal is to calm inflammation and regain energy, you need to keep the fat composition of your diet tightly controlled.

Start there. Once you’ve eliminated the root drivers and rebalanced your fat intake, your body will begin to recover naturally. Inflammation will come down, energy will go up, and you’ll stop throwing gasoline on the fire without even knowing it.

FAQs About Omega-3s and Inflammation

Q: Are omega-3s still considered anti-inflammatory?
A: Not in the way we’ve been led to believe. A large-scale genetic study published in the International Journal of Epidemiology found that higher omega-3 levels — especially DHA from fish oil — actually raised key inflammation markers.6 That means omega-3s don’t always calm inflammation the way we thought, and in some cases, they make it worse.

Q: Why doesn’t fish oil reduce inflammation for most people?
A: Because inflammation isn’t just about what you add — it’s about what you remove. If your diet is still high in inflammatory vegetable oils, processed foods, or alcohol, fish oil won’t help. The Frontiers in Immunology study showed that poor overall diet quality — not just lack of specific nutrients — keeps your immune system on high alert, no matter what supplements you take.7

Q: What’s the real root cause of chronic inflammation in most people?
A: The biggest drivers are a diet full of LA from vegetable oils, not enough dietary fiber, too many calories, and poor fat balance. These factors disrupt your immune system and make inflammation a constant background problem, even if you feel “mostly healthy.”

Q: Should I stop taking fish oil completely?
A: If you’re relying on high-dose fish oil without fixing your diet first, it’s time to reconsider. Most fish oil on the market is already oxidized by the time you take it — exposure to heat, light, and oxygen during processing and storage causes the fats to go rancid. Once oxidized, fish oil stops fighting inflammation and starts fueling it, creating harmful byproducts that damage your cells and arteries.

A better approach is switching to krill oil in moderation and focusing on anti-inflammatory whole foods like wild-caught fish, grass fed meats, and animal-based fats. Krill oil is more stable because it contains astaxanthin, a potent antioxidant that protects it from going rancid. Plus, it’s absorbed more efficiently and doesn’t require megadoses to support your fat balance and reduce immune stress.

Q: What’s the fastest way to lower inflammation naturally?
A: Start by eliminating vegetable oils like soybean, canola, sunflower, and corn oil. Then rebalance your diet with animal-based whole foods, moderate amounts of omega-3s from krill oil or fatty fish, and more fiber-rich vegetables once your gut is healthy. Cut back on alcohol and avoid processed foods. These changes target the root of the problem and support your immune system the way it was designed to function.

For years, concerns about microplastics and pharmaceutical residues in drinking water were treated as fringe worries; the kind of thing that made headlines briefly before fading from public attention. That era is over. Federal agencies are now formally acknowledging that these substances are widespread, difficult to remove, and increasingly present inside the human body. What was once speculative is now a matter of official policy and funded research.

The question is no longer whether these contaminants exist in your water and your body; it’s what you can actually do about it. What makes this moment different from previous warnings is the scope of what’s being confirmed. Regulators aren’t flagging a single chemical or an isolated incident; they’re identifying entire categories of contaminants that enter your body through ordinary daily routines: the water you drink, the food you eat, and the products you use.

At the same time, scientists are confronting an uncomfortable truth about their own limitations. The tools to precisely measure what’s accumulating inside you, and what it’s doing once it gets there, are still being developed. That gap between what’s known and what can currently be measured is driving an urgent push at the federal level, one with real consequences for how your water is monitored, regulated, and ultimately treated.

The Government Just Redefined What Counts as Safe Drinking Water

An announcement from the U.S. Environmental Protection Agency (EPA) on April 2, 2026, introduced a new draft of its Sixth Contaminant Candidate List, a tool used under the Safe Drinking Water Act to identify substances that are not yet regulated but are known or expected to show up in public water systems.1

This update stands out because it identifies entire groups of contaminants, including microplastics and pharmaceuticals, as priorities. That shift changes how your water is evaluated going forward, because regulators are no longer looking at isolated threats but entire categories that affect daily exposure.

The agency framed this as an effort to determine both how much of these substances reach you and what they actually do inside your body; questions that, remarkably, remain unanswered despite decades of plastic use. In simple terms, they’re trying to answer two key questions: how much of these substances you’re exposed to, and what that exposure does inside your body. Until those answers are clear, the focus remains on tracking, measuring, and building the evidence needed to act.

• Microplastics and pharmaceuticals are now treated as priority threats — For the first time in the program’s history, the EPA placed both microplastics and pharmaceuticals into high-priority contaminant groups.
Microplastics are tiny plastic particles that form as larger plastics break down, while pharmaceuticals refer to drug residues such as antibiotics, hormones, and antidepressants that enter water through human waste and improper disposal. These substances move through treatment systems and remain in the water you drink, meaning exposure is ongoing rather than occasional.
• The agency responded directly to public concern about hidden contaminants — The EPA made it clear this move reflects widespread demand for answers about what’s in drinking water. Administrator Lee Zeldin stated, “For too long, Americans have vocalized concerns about plastics and pharmaceuticals in their drinking water. That ends today.”
That statement marks a shift toward transparency and accountability, where contaminants that were once ignored are now being actively tracked and studied.
• Hundreds of drug compounds are now being evaluated for health risk — Alongside adding pharmaceuticals as a group, the EPA released human health benchmarks for 374 different drugs found in water systems. A benchmark is simply a safety reference point; it helps local water systems determine when a substance reaches a level that requires action. This gives your local water authority a measurable way to assess risk instead of guessing or ignoring the issue altogether.
• The list includes multiple contaminant groups, not just plastics and drugs — The updated list also includes per- and polyfluoroalkyl substances (PFAS), often called “forever chemicals,” along with disinfection byproducts, 75 individual chemicals, and nine microbes. This broader scope shows that water contamination is a layered problem involving industrial chemicals, treatment byproducts, and environmental pollutants all interacting at once.
• This list isn’t a regulation yet, but it drives what happens next — The Contaminant Candidate List does not immediately change your water quality, but it determines what gets studied, funded, and eventually regulated. Think of it as the starting point in a pipeline. Once a contaminant is on this list, it becomes eligible for deeper investigation and future limits. That means today’s “candidate” contaminants often become tomorrow’s regulated hazards.

The EPA opened a 60-day public comment period and will consult its Science Advisory Board before finalizing the list, with a target decision date of November 17, 2026. This process allows input from scientists, policymakers, and the public, shaping how aggressively these contaminants are addressed in future regulations.

Scientists Are Building a Way to Measure What’s Inside Your Body

From the U.S. Department of Health and Human Services (HHS), a new $144-million initiative called the Systematic Targeting Of MicroPlastics (STOMP) was launched to solve a core problem: nobody has had a reliable way to measure how much plastic is inside your body.2

The program focuses on building tools that track, study, and remove microplastics and nanoplastics — particles so small they cross the blood-brain barrier and the placenta, reaching organs that larger fragments can’t. Without measurement, there’s no way to track progress or know whether exposure is rising or falling over time.

• The focus is not just exposure but what happens after it enters your body — Researchers involved in STOMP are working to understand how these particles move through different organ systems and what they do once they get there. The agency made it clear that plastics aren’t all the same; each type behaves differently, interacts with tissues differently, and carries different levels of harm.
This means your personal exposure is not just about how much plastic you encounter, but what type it is and where it ends up inside you.
The research highlights that certain groups, including pregnant women, children, people with chronic disease, and workers with high exposure, face higher risks from accumulation. That distinction shows this is not a one-size-fits-all issue. Your lifestyle, environment, and health status influence how much exposure you carry and how your body responds.
• The biggest gap right now is inconsistent and unreliable measurement — Scientists acknowledged that current lab methods produce conflicting results, which makes it difficult to compare studies or draw firm conclusions. One lab might detect a certain amount of microplastics while another lab finds something completely different in the same type of sample. That inconsistency slows progress and keeps both researchers and the public in the dark.
• New testing tools are being designed to give you a measurable number — One of the program’s key goals is to create a clinical test that measures your individual “microplastic burden,” meaning the total amount of plastic particles in your body. Once you have a number, you can follow changes over time, compare risk levels, and see whether interventions actually reduce your exposure.
• Researchers are ranking which plastics matter most for your health — The program is also building a system to classify plastics based on how harmful they are biologically. This ranking system helps answer a key question: which types of plastics demand immediate attention and which are less urgent. Instead of treating all plastics equally, this approach focuses effort where it has the greatest impact on health outcomes.
• The program is structured in two phases to move from understanding to action — Phase one focuses on measurement and mapping, identifying where plastics accumulate and how they interact with the body. Phase two focuses on removal, using the data from phase one to design targeted strategies that eliminate harmful particles. This step-by-step structure gives you a clear path: first identify the problem, then remove it in a precise way.

With reliable testing and classification systems in place, public health agencies and health care providers gain the ability to guide decisions, monitor progress, and evaluate interventions over time. This transforms the issue from something abstract into something measurable and manageable, giving you a clearer path to take action.

You Can Reduce Your Exposure to Microplastics and Pharmaceutical Residues Starting Today

Federal programs will take years to produce regulated limits and clinical tests. In the meantime, your exposure continues every day. The good news is that your most significant sources of exposure — your water, your food packaging, and your medication habits — are largely within your control right now. That’s why I wrote my book, “Microplastics Cure,” available for preorder now.
In it, I explain how this invisible exposure affects your long-term health, why your body struggles to clear plastics once they accumulate, and how daily habits either worsen or reduce that burden.

The book lays out clear, science-backed steps you can take now to lower exposure and support your body’s natural defenses. If you’re feeling overwhelmed, focus on one step at a time. Treat this like a simple system you improve week by week. The goal isn’t perfection. The goal is steady reduction.

1. Install a high-quality water filtration system that targets microplastics and pharmaceuticals — Your drinking water is one of the most direct exposure routes, so focus on that first. Look for a water filtration system designed to remove fine particles and chemical residues. If you’re using standard pitcher filters, understand they typically don’t address these newer contaminants. A properly designed system gives you a daily baseline of cleaner water.
2. Stop adding to the problem with plastic-heavy food and drink habits — Every time you heat food in plastic, drink from disposable bottles, or store meals in plastic containers, you increase your exposure. Switch to glass, stainless steel, or ceramic wherever possible. If you rely on convenience foods, start with one swap; replace your most frequent plastic use first and build from there.
3. Reduce unnecessary pharmaceutical use — A large portion of drug contamination starts with everyday use and disposal. Look at where medications show up in your routine. If you reach for over-the-counter drugs regularly, start by addressing the root issue — sleep quality, diet, stress, and movement.
Build a foundation that lowers your reliance on medications so they become a targeted tool, not a daily habit. When you do need them, use them intentionally and dispose of unused medications through proper take-back programs, not down the drain.
4. Support your body’s ability to handle toxic load through cellular energy — Your body isn’t passive in this process. Microplastics generate oxidative stress inside cells, impairing the mitochondria — your cells’ energy-producing structures — and reducing your body’s capacity to manage toxic load. The more efficiently your mitochondria function, the better equipped your cells are to respond to this kind of chronic chemical stress.
Support mitochondrial function with consistent sunlight exposure, adequate healthy carbohydrates, and balanced nutrition, including limiting linoleic acid (LA), a polyunsaturated fat concentrated in seed oils like soybean, corn, canola, and sunflower, which contributes to mitochondrial dysfunction when consumed in excess.
5. Replace one high-exposure habit this week and lock it in before adding another — Instead of trying to overhaul everything at once, pick the single biggest exposure point in your routine and eliminate it. If you drink bottled water daily, switch to filtered water. If you heat food in plastic containers, replace them with glass. Focus on one change, repeat it every day until it becomes automatic, then move to the next.
This approach keeps you consistent and prevents burnout while steadily lowering your overall exposure.

FAQs About Microplastics and Pharmaceuticals in Your Drinking Water

Q: My water utility says my tap water is safe. Why should I be concerned about this?
A: Federal agencies confirm that both microplastics and pharmaceutical residues are present in public water systems. These substances come from plastic breakdown, human waste, and improper medication disposal, and they pass through standard water treatment processes, which means your exposure is ongoing.

Q: Why are regulators only now taking action on these contaminants?
A: The U.S. EPA recently added microplastics and pharmaceuticals to its Contaminant Candidate List for the first time, marking a major shift in how water safety is evaluated. This list drives future research and regulation, meaning these contaminants are now a priority after years of public concern.

Q: How do microplastics build up inside my body?
A: Plastic particles enter through water, food, and air, then move through your bloodstream and settle in different organs. Researchers from HHS report that microplastics have been detected across multiple organ systems, and scientists are still working to understand how different types affect tissues in different ways.

Q: Why is it so hard to measure my exposure?
A: Current testing methods are inconsistent, which means results vary from one lab to another. That’s why a new national program is focused on developing tools to measure your total “microplastic burden,” giving you a clear number that reflects how much plastic has accumulated in your body and allowing progress to be tracked over time.

Q: What’s the most effective way to reduce my exposure right now?
A: Start with your water. Installing a high-quality filtration system designed to remove microplastics and pharmaceutical residues gives you immediate control over one of your biggest exposure sources. From there, reduce plastic use in food storage and limit unnecessary medication use to lower the overall burden entering your system each day.

Test Your Knowledge with Today’s Quiz!
Take today’s quiz to see how much you’ve learned from yesterday’s Mercola.com article.

What is the leading cause of death worldwide?

Chronic kidney disease
Type 2 diabetes
Seasonal infections
Cardiovascular disease
Cardiovascular disease remains the leading cause of death worldwide, even after decades of medical progress. Learn more.

Editor’s Note: This article is a reprint. It was originally published October 28, 2018.

Satchidananda Panda, Ph.D., is a leading researcher in a very important field of study — the circadian rhythm, which is the topic of his book, “The Circadian Code: Lose Weight, Supercharge Your Energy, and Transform Your Health from Morning to Midnight.” It’s a great read, written at a level that is easy to understand.

Growing up on a farm in India, he was initially intrigued by the fact that he slept best during the summertime. Then, going through agricultural school, he realized that different plants flower at certain times of the day.

“A few years later, when I was thinking about grad school, I realized there are so many things about biology of time,” Panda says. “Every biological system depends on time; just like throughout the day we have a clear timetable when we should be doing this and that — meeting people and having conversation and having dinner.

Every organism has that [but] we haven’t learned the biology of time. That’s why I got excited about circadian rhythms, because this is a universal timing system, starting from pond scum to humans … Every organism has to go through this 24-hour timing schedule.

If this is disrupted, then plants will flower at the wrong time and animals will not reproduce well. In humans, lots of different diseases can happen. That’s why I got excited about circadian rhythms and got into my Ph.D. Now I’m at the Salk Institute, a nonprofit research organization in San Diego, California.”

Circadian Rhythms Are Under Genetic Control

In 2017, the Nobel Prize in Physiology or Medicine was awarded to three U.S. biologists — Jeffrey Hall, Michael Rosbash, and Michael Young — for their discovery of master genes that control your body’s circadian rhythms.1,2,3,4,5 Panda explains:

“The bottom line is almost every cell in our body has its own clock. In every cell, the clock regulates a different set of genes, [telling them] when to turn on and [when to] turn off.

As a result, almost every hormone in your body, every brain chemical, every digestive juice and every organ that you can think of, its core function rises and falls at certain times of the day [in a coordinated fashion].

For example, your growth hormone might rise in the middle of the night, in the middle of sleep. At the same time, if there is not [too much] food in your stomach, then the stomach lining will start to repair. For that repair to work perfectly, the growth hormone from the brain has to coincide with the stomach repair time.

In that way, different rhythms in different parts of our body have to work together for the entire body to work optimally. In fact, to have these daily rhythms and sleep-wake cycle, being more alert in the morning, having the bowel movement at the right time, having better muscle tone in the afternoon, these rhythms are the fountain of health. That’s the indication of health.”

Shift Work Disrupts Your Circadian Rhythm

The idea that you could micromanage this intricately timed system from the outside is foolish in the extreme. As Panda notes in his book, the key, really, is to pay attention to and honor ancient patterns of waking, sleeping, and eating.6 By doing that, your body more or less takes care of itself automatically.

“Yes, to leverage these daily rhythms that are so ingrained in our body, we just have to do a few things: sleep at the right time, eat at the right time, and get a little bit of bright light during the daytime. That’s the foundation. We can do very simple things to reap the benefits of the circadian rhythm and the wisdom of our body,” Panda says.

One of the most common circadian anomalies in today’s modern world is shift work. If you’re like me, you might be under the misconception that it’s a relatively small minority of people that engage in this activity, but Panda cites research showing a full 20% to 25% of the American nonmilitary workforce disrupt their natural circadian rhythm by working nights.

In his book, shift work is defined as any work that requires you to stay awake for three hours or more between 10 p.m. and 5 a.m. for more than 50 days a year (basically once a week).

The fact that 1 in 4 is exposed to this circadian rhythm aberration is bad enough, but on top of that there are the health effects of dirty electricity and the unhealthy light spectrum emitted by pulsing light-emitting diodes (LED) and fluorescent lighting, which further exacerbates the problem.

“Only in the last 16 years we have come to understand the impact of light on our health,” Panda says. “Before this, we thought that lighting is only for vision. Our eyes just have retinal cone cells to guide us throughout the world. Sixteen years ago, myself and two others … discovered this blue light-sensing light receptor called melanopsin.

These light-sensing cells in the retina — 5,000 of them per eye — are hardwired to many parts of the brain, including the master clock in the hypothalamus, and the pineal gland that makes … melatonin.

That discovery completely changed how we look at light. It’s not only lighting for safety or security. We have to now think about lighting for health … We [also] have to now think about blue light.

It’s not that we should get rid of blue light completely. We need more blue light during the daytime, and we need less at least three to four hours before going to bed.

The bottom line is in the last 100 to 150 years, we have cleared the man-made world without paying attention to circadian rhythms. Now we have the excellent opportunity to recreate and rebuild this entire world that will optimize our health.”

The Price You Pay for Chronic Sleep Disruption

It’s extremely difficult to estimate the price paid for widespread sleep disruption, but what is known is what happens when you chronically disrupt your circadian rhythm. Panda explains:

“Starting from babies all the way to 100-year-olds, we know that a few nights of staying awake for three to four hours or even eating at the wrong time can cause irritation, foggy brain, mild anxiety, loss of productivity and insomnia.

At the same time, this can flare up underlying autoimmune disease … We can look at shift workers in controlled clinical studies. When we make a list of diseases that circadian rhythm disruption contributes to, it’s a huge list.

It goes from mental health issues such as depression, anxiety, bipolar disease, attention-deficit hyperactivity disorder, autism spectrum disorder and post-traumatic stress disorder [to] obesity, diabetes, cardiovascular disease and fatty liver disease …

Many of these affect more than 10% of the population. And then you bring in gastrointestinal diseases: irritable bowel syndrome, irritable bowel disease, and even heartburn and ulcerative colitis.

If you combine all of these, then we can see clearly why nearly one-third of all adults in the U.S. have one or more of these chronic diseases, more than two-thirds of adults at the age of 45 have some of these chronic diseases. Nine out of 10 at the age of 65 have two or more of these chronic diseases.

Now, the question is, ‘How much of this is due to circadian rhythm disruption and other factors, or maybe circadian rhythm disruption with underlying genetic cause?’ We cannot come up with a clear figure, but it’s very clear that if we optimize circadian rhythm, we can really move the needle.”

Sleep Deprivation Induces Glucose Intolerance

Research by Eve Van Cauter, director of the Sleep, Metabolism and Health Center at the University of Chicago, also shows that sleeping less than six hours a night dramatically increases your risk of insulin resistance, which is at the core of most chronic diseases, including those mentioned above. There’s actually a daily rhythm in insulin sensitivity.

For example, if you do a glucose tolerance test in the morning, it may be normal, but done in the evening, it may suggest you have prediabetes. She also showed that when otherwise healthy people are deprived of sleep and allowed to sleep only five hours or less per night, they develop glucose intolerance in as little as four days. As noted by Panda:

“That’s really eye-opening. Because many of us go through that kind of disruption on a monthly or weekly basis. Shift workers go through that half of their life. That might explain the rise in glucose intolerance and having 85 million prediabetics in [the U.S.].”

Melatonin Production and Sleep Disorders

In his book, Panda discusses how melatonin production changes with age. With increasing age, melatonin production starts going down such that a 60-year-old produces one-tenth the melatonin of a 10-year-old. As noted by Panda, reduced melatonin production is at the heart of many sleep disorders seen in the elderly.

So, how can you optimize your melatonin production as you age? One common solution is to take a melatonin supplement. Melatonin receptor agonist drugs are also available. However, a simpler solution that anyone can do, which costs nothing, is to control your lighting.

“Just imagine, 150 years ago, the firelight, the lamplight or even the full moon light was only 1 to 5 lux. Full moon light is maximum 1 lux. Now, we have 50 to 100 lux. In some department stores you can get 600 to 700 lux of light in the evening. That’s a tremendously high amount of light. That would slam your melatonin [production] down to almost zero,” Panda says.

Ideally, replace LEDs and fluorescent light bulbs in key areas where you spend time in the evening with low-watt incandescent bulbs, and avoid electronic screens for a few hours before bedtime.

An alternative is to wear blue-filtering eyeglasses at night. Just make sure not to wear them during daytime. Also, make sure the glasses filter out light between 460 and 490 nanometers (nm), which is the range of blue light that most effectively reduces melatonin. If they filter everything below 500 nm, you should be good to go.

The Importance of Meal Timing

Panda has also investigated the impact of meal timing on circadian rhythm. Just like many cleanout functions occur in your brain during deep sleep, all other organs also need downtime. Many organs actually need between 12 and 16 hours of rest, meaning a minimum of 12 hours without food, to allow for repair.

In time-restricted feeding trials, Panda has shown that mice whose feedings are restricted to a window of eight to 12 hours are protected from obesity, diabetes, cardiovascular disease, systemic inflammation, high cholesterol and a host of other diseases. This, despite the fact they’re eating the same amount of calories and the same type of food as animals allowed to graze throughout the day and night.

More importantly, when fat mice are placed on an eight- to 10-hour time-restricted feeding schedule, many of these diseases can be reversed. Human trials suggest the same results can be obtained in humans who adopt a time-restricted eating schedule where all food is eaten within a window of eight to 10 hours.

According to Panda, at bare minimum, you should fast for 12 hours a day — that’s eight hours of sleep, plus three hours of fasting before bed, plus another hour in the morning, to allow your melatonin to level off. At 12 hours of fasting per day, you will maintain your health, but you’re unlikely to actually reverse disease. For that, you need to fast longer.

“The question is how short one can go. This is where there is some limitation in doing controlled studies like we do on animals, where we can do this for a long period of time, because if you reduce access to food for less than six hours in many animals, they will reduce their caloric intake.

So, then we cannot figure out whether the benefit or harm we are seeing is due to the reduction in calories or reduction in timing,” Panda says.

“The way I look at it, 12-hour time-restricted eating is something everybody should do. It’s like brushing your teeth every day. What is surprising is only 10% of the population consistently eat within 12 hours … [Then] once every six months or once a year, [go down to] eight-hour eating for a month or so.”

There’s an App for That

Panda has developed a very helpful free app, available on Android and iOS, called myCircadianClock. By using this app, you will contribute to Panda’s circadian research.

“We ask people to self-monitor themselves for two weeks, because we know their weekdays and weekends might be different. We just want to get a broader picture of what is your lifestyle from one day to another. And then after two weeks, people can self-select whether they want to eat all their food within 10 hours, 12 hours or eight hours.

You’re free to do whatever you want to do … Over a long period of time, we can figure out what is good or bad for people. In this new app, you can log your food. It also has other bells and whistles. The app can be paired with your Google Health or Apple Health Kit. It can extract your step count, sleep, et cetera. …

After 12 weeks, we also want you to enter your body weight. If you have been collecting lots of other health data, then it’s good to enter that. That’s how it will help to figure out, at the epidemiological level, in real life situations, what our habits are and how we can change it.

The same app is being used in many controlled clinical studies. There are nearly 10 different studies going on in different parts of the world that use the same app … In that way, we can benefit from a controlled study as we launch this large open-to-all kind of studies.”

According to Panda, most people will notice improvements in their sleep within two to three weeks of time-restricted eating. Symptoms of heartburn will also typically begin to resolve. Between weeks four and six, daytime energy levels typically increase while evening hunger pangs are reduced.

Between six and 12 weeks, people with prediabetes or diabetes will begin to see improvements in fasting blood glucose. Those with mild hypertension also tend to notice improvements at this time, as do those with irritable bowel syndrome, as the microbiome improves and the gut begins to repair.

“Once the gut repair improves, then systemic inflammation goes down. Between eight to 12 weeks, that’s when a lot of people report that their joint pain goes down, because that’s a good sign of inflammation.

Once in a while, we get random reports. For example, some people who have inflammatory disease or autoimmune disease, they sometimes say the severity has gone down,” Panda says.

However, once you regain your metabolic flexibility and are no longer insulin-resistant, which takes a few weeks to a few months, it’s important to increase your eating window again. This is because extended fasting raises your cortisol levels, which contributes to inflammation and cellular damage.

Vary your eating window between eight and 12 hours and avoid going lower or higher than that window. It is also best to avoid eating before sunrise or after sunset and at least three hours before bedtime.

On NAD and Circadian Rhythm

Nicotinamide adenine dinucleotide (NAD+) — one of the most important metabolic coenzymes in your body that helps redox balance and energy metabolism — is primarily generated through a salvage pathway rather than de novo or building NAD+ from scratch pathway.

The rate-limiting enzyme is nicotinamide phosphoribosyltransferase (NAMPT), which is also under circadian control. When your circadian rhythm gets disrupted, it causes NAMPT impairment. NAMPT also helps set the circadian rhythm. In short, by optimizing your circadian rhythm, you’re going to optimize your NAD production. Panda explains:

“Studies say it goes both ways, because NAD also affects sirtuins, and sirtuins integrate with circadian rhythm. Nicotinamide adenine dinucleotide phosphate (NADPH) ratio also affects your [circadian] clock and transcription factors bind to DNA.

The bottom line that we have seen with circadian rhythm is if the clock regulates something, then there is a reciprocal feedback regulation from that output into the clock. That’s the best way you can clear the homeostatic system. It’s the chicken and egg story.”

More Information

To learn more, be sure to pick up a copy of “The Circadian Code: Lose Weight, Supercharge Your Energy, and Transform Your Health from Morning to Midnight.” Also consider downloading myCircadianClock. It’s free of charge, and will help you track your circadian rhythm while simultaneously contributing to Panda’s research.

Cardiovascular disease remains the leading cause of death worldwide,1 even with decades of medical progress. For much of the past century, saturated fat was labeled a primary driver of clogged arteries and heart attacks, shaping dietary advice, food production, and the way entire populations eat.2 Yet research has revealed that this blanket condemnation overlooked important distinctions in fats.
In 2025, I published a narrative review in the World Journal of Cardiology, an internationally recognized, peer-reviewed journal known for advancing understanding of cardiovascular disease and its prevention. In this work, I highlight an emerging paradigm: not all saturated fats are the same, and the odd-chain saturated fat pentadecanoic acid (C15:0) — primarily found in dairy fat — appears to have meaningful effects on several cardiovascular and metabolic markers, according to studies.
The framework I present challenges long-standing dietary guidance that restricts all saturated fats as a single category. Instead, my review synthesizes evidence showing that C15:0 supports healthier lipoprotein profiles, inflammation, insulin sensitivity, and mitochondrial function — mechanisms that, taken together, are being investigated for their relevance to cardiovascular risk.
By reframing C15:0 as a “good” saturated fat, this paper provides the scientific foundation for re-evaluating dietary recommendations and exploring whether C15:0 intake — through food or supplementation — fits into broader cardiovascular research.
Below, I summarize its central findings; however, I also encourage you to read the paper (linked below), or download a copy of the simplified version of it (see link at the end of the article), so you can better understand why this unique fat is so important for heart health.

> > > > > Click Here > > > > Click Here

Ever feel like your cellphone is glued to your hand? It’s tough to put it down, but what if you took a break for three days — would your brain cheer or rebel? Cellphones are part of daily life for most, but too much time on them interferes with your mind. Many people start craving them more, almost like an addiction, and that hurts your mental health.

Researchers wanted to see what happens when you take a cellphone break, so they asked 25 young adults to ditch their phones for 72 hours.1 They used brain scans to check how their brains reacted to phone pictures afterward. The results might surprise you. Your brain could light up with cravings, but there’s good news too. Let’s explore what they found and how it affects you.

Why Your Brain Lights Up When You See a Phone

You’ve probably noticed how some things grab your attention fast — like seeing a juicy piece of watermelon on a hot day. Your stomach growls, and you want it right away. That’s your brain reacting to a “cue,” a trigger that makes you want something.

Scientists call this “cue-related brain activity.” It’s like your brain shouting, “I need that!” Your cellphone does the same thing. When you see it, especially after a break, your brain gets excited. It’s used to the fun stuff — like texts or games — so it perks up when it spots your phone.

• How the study worked — Here’s what the researchers did. They got 25 young adults to skip their phones for 72 hours — three days with no scrolling or texting. Before the break and after, they scanned their brains with a machine that shows activity. While scanning, they showed them pictures: cellphones turned on, cellphones turned off and neutral images like landscapes. They wanted to see how your brain handles phone cues after being away from it.

• What they discovered — After the break, parts of the brain tied to wanting things got more active when they saw phone pictures. It’s like your brain missed your phone and got super excited to see it again. The break made their brains hungrier for the phone’s rewards.

• Why this hits home — This might sound familiar. Ever tried cutting back on your phone and felt a tug to grab it? Maybe you forgot it at home and couldn’t stop thinking about it all day. That’s your brain noticing it’s gone. The study shows that after a break, your brain’s reaction to phone cues gets stronger. It explains why it’s tough to ignore your phone even when you want to.

Your Brain’s ‘Pleasure Center’ and Why It Loves Your Phone

Your brain loves feeling good. When you text a friend or scroll TikTok, a part called the “pleasure center” lights up. This is reward processing — your brain’s way of saying, “This is fun! Keep going!” It’s the same rush you get from eating chocolate or winning a game. Your phone gives you little hits of happiness, and your brain eats it up.

• The brain parts involved — Two key areas handle this — your brain’s pleasure center — it gets happy when rewards come — and the region that helps you decide what to do next. In the study, these spots got busier after the 72-hour break when people saw phone pics. It’s like they were itching for that phone fun again.

• Changes after no phone — So, what happened? After three days without phones, these brain areas went wild when they saw phone pictures. It’s like they were begging, “Give me that reward!”

• Your daily life — This craving affects you every day. It’s why you likely check your phone without thinking, even during a movie or chat. Your pleasure center pushes you to grab it for that quick joy. It’s tough to ignore when your brain’s wired to love those little rewards.

The Chemicals Behind Your Smartphone Cravings

Your brain uses chemicals like messengers to control your feelings and actions. Two big ones are dopamine and serotonin. Think of dopamine as a text saying, “Get excited!” and serotonin as one saying, “Relax, you’re good.” They team up to keep your mood and behavior in check.

• The study’s take — The study linked these chemicals to brain changes after the break. More dopamine activity showed up, meaning stronger phone cravings. It’s like craving coffee for a morning lift — dopamine drives that urge, whether it’s caffeine or your phone.

• What it means for you — If your brain gets hooked on phone dopamine, you might feel jittery without it. It’s a hint that too much screen time could lean toward addiction. Ever felt off when social media’s quiet? That’s your brain missing its dopamine hit, showing how powerful those cravings are.

Your Brain’s ‘Attention Center’ and Your Phone Obsession

Part of your brain’s attention center is like a spotlight. It helps you focus on what’s around — like a friend talking or your phone buzzing. It’s why you notice your phone lighting up across the room, even when you’re busy with something else.

• Craving connection — After the 72-hour break, this area tied into phone cravings. The more it worked, the more they wanted their phones. Imagine working hard but daydreaming about texting — that’s your attention center drifting to your phone instead of staying put.

• Why it’s hard to quit — When this part locks onto your phone, focusing elsewhere gets tricky. It pulls you back like a magnet. It’s like trying to ignore a loud TV — you want to tune it out, but your brain keeps noticing it. Your phone’s the same way.

• Taking charge — You can fight this. Hide your phone when you need to focus — stick it in a drawer or another room. Fewer cues mean less craving. It’s like clearing distractions so your attention stays where you want it.

Take Control of Your Cellphone Use

The study showed that a 72-hour phone break makes your brain crave it more. Areas tied to rewards and attention lit up when they saw phone pics. It’s a sign your phone has some serious pull over you.

• The risks — Overusing your phone feels like an addiction. It disrupts your focus, sleep, and mood. It’s not just a habit but a real hit to your well-being. Ever stayed up late scrolling and felt awful the next day? That’s the downside in action.

• What you can do — Here’s how to take charge:

◦Set phone-free times, like meals or before bed.
◦Use screentime limits to cut back.
◦Try a mini-break — skip it for a few hours or a day. Try a no-phone Sunday and you may feel calmer by Monday. Small steps work.

• The upside — Managing your phone lets you enjoy its perks — like staying connected — without it ruling you. You’ll feel in control and less stressed. Plus, taking time away from your cellphone is important to reduce your exposure to electromagnetic fields (EMFs). It’s all about balance.

A 72-hour cellphone break wakes up your brain’s craving zones. It shows how hooked you could be, thanks to rewards and attention driving your habits. Knowing this explains why your phone’s hard to ignore — and how to push back. Try it out: start by hiding your phone at dinner and then try putting it away for the whole night. See how you feel. Your phone’s a useful tool, but you’re the boss. Take a break, and your brain will thank you.

FAQs About Cellphones and Your Brain

Q: Why does my brain like my phone so much?
A: Your brain likes your phone because it gives you little rewards, like fun videos or messages from friends, which make you feel good. This makes you want to use it a lot.

Q: What happens to your brain when you take a break from your phone?
A: Your brain craves it more after a break. Areas tied to rewards and attention get extra active, like it’s missing the fun and wants it back. This increased craving highlights the powerful hold your phone has on your brain’s reward system.

Q: Is my brain addicted to my phone?
A: The study suggests that your brain gets used to the rewards from your phone, making you want to use it more, similar to how people feel with things like coffee.

Q: How can you reduce your cellphone cravings?
A: Set phone-free times — like meals or bedtime. Hide it when you work and try short breaks. Less temptation means fewer cravings. By using these strategies, you regain control over your phone use and reduce your brain’s urge for instant gratification.

Q: Is too much phone use bad for your mental health?
A: Yes, it interferes with your focus, sleep, and mood. It even feels addictive, so balancing it helps keep you feeling good. Taking breaks from your cellphone helps you become more aware of this impact and encourages healthier habits.