1 What is glyphosate’s primary role in conventional agriculture?
- Killing weeds by disrupting plant growth pathways
Glyphosate is a broad-spectrum herbicide designed to kill plants by blocking a metabolic process essential for their growth. Learn more.
- Preventing insect infestations in crops
- Increasing the vitamin content of grains
- Speeding up seed germination in organic farms
2 What is a risk of excess high-intensity exercise?
- Sleep quality may suffer because of extra energy
- Metabolism may slow down, depending on genetics
- Social anxiety may worsen especially for younger people
- Mitochondria and glucose control get disrupted
Extreme training can shut down mitochondria and disrupt blood sugar control. Learn more.
3 What mainly changes in your brain after lots of short-form video exposure?
- Language skills and creativity
- Sense of humor and optimism
- Impulse control and stress regulation
Short-form video habits can also affect your attention aside from your self-control, and how your brain regulates stress. Learn more.
- Hand-eye coordination and reflexes
4 How long does it take to see improvements in liver health from regular exercise?
- Within one to two weeks of starting activity
- After several years of consistent training
- Only once major weight loss occurs
- Within eight to 12 weeks of consistent exercise
Studies show liver fat reduction usually appears within eight to 12 weeks, while programs lasting six months or longer deliver stronger, longer-lasting metabolic benefits. Learn more.
5 Which factor receives little research funding despite being a major driver of heart disease risk?
- Genetic cholesterol disorders
- Environmental and endothelial damage
Pollution, lead exposure, chronic stress, and vessel damage drive heart disease risk but attract little funding because they cannot be patented or monetized like drugs. Learn more.
- Dietary cholesterol intake and monitoring
- Optimal statin dosing strategies
6 Why did Europe release its first clinical guide for photobiomodulation (PBM) in cancer care?
- To standardize supportive light-based care in oncology
A clinical guide provides consistent treatment standards, making it easier for cancer centers to use PBM safely and effectively across Europe. Learn more.
- To replace chemotherapy with light-based treatments
- To limit PBM use to experimental research only
- To regulate cosmetic light therapy clinics
7 Where does Big Food concentrate much of its marketing?
- Whole food co-ops and local markets
- Concentrated animal feeding operations (CAFOs)
- Ultraprocessed foods aimed at children
Big Food targets children by marketing ultraprocessed snacks as fun, normalizing poor nutrition early. Learn more.
- Public health clinics and nutritionists
Test Your Knowledge with
The Master Level Quiz
1 Why should regulatory claims about glyphosate safety be questioned?
- Key studies with secret industry backing were retracted
Confidence in glyphosate safety is weakened when key studies are retracted for ethical reasons and hidden industry ties. Learn more.
- Regulators have banned all research on glyphosate for profit motives
- Organic farmers control most of the published studies
- Safety claims are based only on animal testing and not human consumption
2 Why is it hard to get much thymoquinone from black cumin seed oil?
- The oil is hard to find
- Thymoquinone is destroyed by cooking
- There’s very little thymoquinone in the oil
Thymoquinone is the main beneficial compound in black cumin seed oil, but only tiny amounts are present in the oil. Learn more.
- Most brands add sugar, which disrupts the chemical makeup
3 What is one effective way to reduce glyphosate exposure?
- Choosing organic or regeneratively farmed foods
Eating organic or regeneratively farmed foods helps lower glyphosate exposure by avoiding crops treated with herbicides. Learn more.
- Rinsing all produce with hot water to remove residue
- Avoiding all fresh fruits and vegetables sold in grocery stores
- Taking daily vitamin supplements to increase antioxidant effectiveness
4 Which activity is most reliable for long-term brain health?
- Heavy weightlifting
- Daily sprint intervals
- Marathon training
- Regular moderate walking
Moderate, consistent walking is linked to slower brain decline and fewer metabolic problems. Learn more.
5 Which is a recommended way to avoid per- and polyfluoroalkyl substances (PFAS) in cosmetics?
- Check labels for “perfluoro-” or “polyfluoro-”
Checking for “perfluoro-” or “polyfluoro-” on labels is the most direct way to avoid per- and polyfluoroalkyl substances (PFAS) in cosmetics. Learn more.
- Choose only fragrance-free beauty products
- Wash your face more often with cold water
- Buy products labeled “hypoallergenic”
6 What opportunistic pathogen often rises in the gut after a colonoscopy?
- Bacteroides
- Lactobacillus
- Firmicutes
- Proteobacteria
Proteobacteria thrive when the gut is disrupted, quickly taking advantage of higher oxygen and stress after procedures like colonoscopies. Learn more.
7 Which approach is most effective for rebuilding focus?
- Relying on willpower alone
- Ignoring phone use and multitasking
- Creating focus blocks
Changing your environment and setting daily focus periods helps restore attention better than relying on willpower. Learn more.
- Taking daily memory supplements
8 Why do vision problems often appear before heart symptoms?
- Large arteries handle stress longer than small vessels in the body
- Eyesight conditions need more time to develop than chest pain
- Heart and eye symptoms always appear together
- Small eye vessels show damage from poor blood flow sooner
Tiny blood vessels in the eyes are affected by poor circulation before larger heart arteries show problems. Learn more.
9 How many Americans are affected by Type 2 diabetes?
- Fewer than 5 million
- About 8 million
- Nearly 18 million
- Over 38 million
More than 38 million Americans have Type 2 diabetes, and the number keeps rising. Learn more.
10 Which combination of exercise produces the strongest improvements for fatty liver disease?
- Stretching, flexibility exercises, and some calisthenics
- Aerobic exercise combined with resistance training
Combining aerobic and resistance exercise improves fat burning, insulin signaling, and blood sugar regulation more effectively than either exercise type alone. Learn more.
- Resistance training without cardiovascular activity
- Light walking performed a few times per week
11 Which kind of fat is most strongly linked to low vitamin D levels?
- Visceral fat
Visceral fat, stored deep around organs, has the strongest association with low vitamin D levels. Learn more.
- Subcutaneous fat
- Fatty acids
- Neck fat
12 Which neurotransmitter helps with memory, attention, learning, and emotional regulation?
- Dopamine
- Acetylcholine
Acetylcholine supports memory, attention, learning, and mood by helping nerve cells communicate. Learn more.
- Serotonin
- GABA
13 Which substance found in plaques explains why clots resist breaking down?
- Low-density lipoprotein (LDL) or bad cholesterol
- Red blood cells
- Lipoprotein A
Lipoprotein A helps patch artery damage but makes clots harder to dissolve, promoting plaque buildup and raising heart attack risk. Learn more.
- Dietary fats
14 Which of these isn’t released by microbes from fermented foods?
- Acids
- Enzymes
- Metabolites
- Hormones
Fermented food microbes release acids, enzymes, and metabolites — but not hormones — when passing through your gut. Learn more.
15 What role does brain-derived neurotrophic factor (BDNF) play in mental health?
- It slows down brain development in childhood
- It raises stress hormones during anxiety
- It blocks new connections between brain cells
- It supports learning, mood stability, and stress resilience
BDNF helps brain cells grow and connect, promoting learning, stable mood, and the ability to handle stress. Learn more.
16 Which cancer-related complications have the strongest clinical support for photobiomodulation (PBM)?
- Fatigue and nausea from chemotherapy
- Oral mucositis and radiation-related skin damage
Clinical research shows PBM is especially helpful for easing pain and healing mouth sores and skin reactions caused by cancer treatment. Learn more.
- Hair loss and immune suppression
- Infection risk and blood cell loss
17 What hormone is commonly known as the “bonding hormone”?
- Oxytocin
Oxytocin is called the “bonding hormone” because it promotes connection and lowers stress. Learn more.
- Cortisol
- Insulin
- Adrenaline
18 What happens to the brain when someone has long-term high blood pressure?
- Attention and learning get a measurable boost
- More oxygen reaches all brain regions over time
- Blood flow drops and memory-related areas shrink
Long-term high blood pressure reduces brain blood flow and shrinks areas critical for memory, focus, and decision-making. Learn more.
- Nerves controlling relaxation become more active
19 Which of the following is not considered a real food alternative to Big Food?
- EatWild.com and Local Harvest
- Digital farmers market platforms
- Pasture-based meat and raw dairy
- National frozen meal distribution centers
Industrial frozen meal brands reflect Big Food’s model, unlike small-scale, regenerative, or farm-direct options. Learn more.
20 Overconsumption of which type of oil poses a major threat to mitochondrial and skin health?
- Seed oils high in omega-6 fatty acids
Omega-6-rich seed oils impair mitochondrial energy production and increase vulnerability to sun-related skin damage when consumed in excess. Learn more.
- Olive oil high in monounsaturated fats
- Fish oil rich in omega-3 fatty acids
- Coconut oil high in saturated fats
21 How many daily grams (g) of carbohydrates helps maintain metabolic health?
- 50 g
- 100 g
- 250 g
Around 250 g of carbohydrates daily supports thyroid function and lowers stress hormones, while overly low-carb intake raises cortisol and strains metabolism. Learn more.
- 400 g
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