Weekly Health Quiz: Sticking to Healthy Routines, Building Better Bedtime Habits, and Postbiotics

1 What role should supplements play in a healthy diet?

• They should support a foundation of real, whole food
  

  Whole foods remain the foundation of good nutrition, while supplements provide targeted support when needed. Learn more.

• They should replace meals when schedules become busy
• They should provide all essential nutrients by themselves
• They should become the main source of daily nutrition

2 Which of these compounds is described as an “umbrella remedy” for gastrointestinal problems?

• Methylsulfonylmethane (MSM)
• Dimethyl sulfoxide (DMSO)
  

  DMSO is described as an umbrella remedy because it may reduce inflammation, improve circulation, and help revive damaged cells. Learn more.

• N-acetylcysteine (NAC)
• Alpha-lipoic acid (ALA)

3 Which of these methods is commonly used by people who have trouble swallowing pills?

• Taking smaller sips of water
• Moving the dose to bedtime
• Crushing tablets before taking them
  

  Crushing tablets may make them easier to take, but it can alter the dose and change how the ingredient behaves. Learn more.

• Spacing the pills across the day

4 Which factor is not linked to faster thymus deterioration?

• Smoking
• Obesity
• High blood sugar
• Normal cholesterol levels
  

  Healthier cholesterol levels were linked to better immune aging, while the other factors were tied to faster thymus decline. Learn more.

5 Which B vitamin helps support brain function and memory?

• Vitamin B6
• Vitamin B12
  

  Vitamin B12 supports healthy nerves, brain function, and clear thinking, especially as you age. Learn more.

• Vitamin B2
• Vitamin B5

6 About what percentage of adults worldwide have fatty liver disease?

• 25%
  

  Fatty liver disease affects nearly 1 in 4 adults worldwide and may progress without obvious symptoms. Learn more.

• 15%
• 35%
• 45%

7 Why is deep sleep important?

• It lowers hunger during the day
• It keeps the body more alert at night
• It reduces the need for physical activity
• It supports physical repair and recovery
  

  Deep sleep helps the body repair and recover, while REM sleep supports memory, learning, emotions, and brain function. Learn more.

8 Which form of vitamin B3 helped restore nicotinamide adenine dinucleotide (NAD+) levels?

• Niacin
  

  Niacin restored NAD+ levels, helping improve muscle mass, strength, mitochondrial function, and energy production. Learn more.

• Niacinamide
• Nicotinamide riboside
• Nicotinamide mononucleotide

9 If you have a sensitive gut, how should you begin adding fiber to your diet?

• Start with simple, easy-to-digest carbs
  

  White rice, whole fruits, and fruit juice with pulp may reduce digestive strain while your gut adjusts gradually. Learn more.

• Space out large servings of raw vegetables
• Switch immediately to whole grains
• Take several fiber supplements at once

10 What do short-chain fatty acids (SCFAs) help protect?

• Hair follicles
• Joint cartilage
• Tooth enamel
• The gut barrier
  

  SCFAs fuel intestinal cells and help keep the gut barrier strong, which may help reduce inflammation and insulin resistance. Learn more.

11 Which substance selectively targets harmful free radicals without blocking useful ones?

• Alpha-lipoic acid (ALA)
• Molecular hydrogen (H2)
  

  Molecular hydrogen targets harmful radicals, such as hydroxyl radicals, while preserving free radicals needed for cell signaling and immune defense. Learn more.

• N-acetylcysteine (NAC)
• Coenzyme Q10 (CoQ10)

12 What is the peripheral clock in skeletal muscle called?

• Body clock
• Muscle clock
  

  The muscle clock controls daily cycles of muscle protein breakdown, repair, and growth. Learn more.

• Brain clock
• Sleep clock

13 Which food naturally contains geranylgeraniol (GG)?

• Tomatoes
  

  Tomatoes, carrots, olives, and some grains provide small amounts of GG and support related metabolic pathways. Learn more.

• Chicken
• Yogurt
• Eggs

14 What sets free-form dance apart from typical structured workouts?

• It follows a fixed set of repeated movements that can boost concentration
• It combines exercise with creativity and mental engagement
  

  Free-form dance works multiple muscle groups while supporting coordination, balance, reaction time, and self-expression. Learn more.

• It focuses only on building muscle strength
• It requires special equipment and formal training

15 What type of preserved fruit may help support bone strength in aging women?

• Dried apricots
• Raisins
• Prunes
  

  Eating four to six prunes a day helped postmenopausal women maintain bone strength and density over one year. Learn more.

• Dried figs

16 What have Wolbachia-based mosquito programs done in some locations?

• Increased mosquito migration
• Raised the use of insecticides
• Removed the need for monitoring
• Reduced the spread of disease
  

  Wolbachia-based programs have lowered disease transmission in several places, although results depend on local conditions. Learn more.

17 Which immune cells clear germs and help control inflammation?

• Neurons
• Macrophages
  

  Macrophages remove germs and help regulate inflammation with signals from mitochondria. Learn more.

• Platelets
• Osteocytes

18 How can blue light make you feel tired?

• It lowers your heart rate too quickly
• It increases your need for daytime naps
• It keeps your brain alert and disrupts sleep
  

  Blue light at night can delay sleep and disrupt your circadian rhythm, leaving you with less energy the next day. Learn more.

• It causes your muscles to use more energy

19 Which medication is not a glucagon-like peptide-1 (GLP-1) drug?

• Orlistat
  

  Orlistat belongs to a different type of weight-loss medication, while the other choices are GLP-1 drugs. Learn more.

• Wegovy
• Ozempic
• Saxenda

20 What vitamin does sunlight help your body produce?

• Vitamin C
• Vitamin D
  

  Sun exposure supports vitamin D production and also provides near-infrared rays that nourish the body in other ways. Learn more.

• Vitamin K
• Vitamin B12

21 About how many mitochondria are found in the human body?

• 100,000 trillion
• 100 trillion
  

  The vast mitochondrial network supports energy production, cellular function, and processes related to cell survival and death. Learn more.

• 10,000 trillion
• 1,000 trillion