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Weekly Health Quiz: How GLPs Messes with Your Mood, Why Glycine and Saunas Are Good for You

May 25, 2026
8124

1 Ideally, how much Akkermansia bacteria should make up a healthy gut microbiome?

Less than 1% of total gut bacteria
Around 3% to 5% of the gut microbiome
Akkermansia should ideally make up about 3% to 5% of the gut microbiome, where it helps support intestinal health and gut barrier function. Learn more.
About 20% to 30% of gut bacteria
Nearly half of the entire microbiome

2 Why was glycine overlooked for so long?

Early research focused mostly on athletic use
Many experts thought food intake was unnecessary
Glycine was labeled a non-essential amino acid
Glycine was called non-essential because the body can make some from serine, but internal production may not fully meet the body’s needs. Learn more.
Sleep benefits were confused with sedative effects

3 Do people need long hikes to see benefits from nature?

Short, regular outdoor time can still help
Simple outdoor habits, like sitting outside or walking through a park, may improve food choices over time when done regularly. Learn more.
Major lifestyle changes are always required
Only intense hiking creates better food choices
Several hours outside must happen daily

4 What happens when damaged cells enter senescence?

They stop working properly but do not die off

Senescent cells stop working properly but remain active, releasing inflammatory signals that can harm nearby healthy cells. Learn more.
Cell repair speeds up and inflammation drops
Nearby tissues become stronger over time
Damaged cells leave the body right away

5 Which habit does not contribute to kyphosis?

Sitting for long hours each day
Looking down at phones often
Skipping upper-back strength work
Doing yoga poses like downward dog
Sitting too long, looking down at devices and weak upper-back muscles can worsen posture, while downward dog may help stretch and strengthen the body. Learn more.

6 What internal temperature range may help activate immune defenses?

Around 97 degrees F
Close to 98 degrees F
About 100 to 101 degrees F
An internal temperature near 100 to 101 degrees F may activate immune defenses, while going beyond 101.5 degrees F raises heat illness risk. Learn more.
Higher than 102 degrees F

7 How is mitochondrial dysfunction linked to fatty liver disease?

It causes the liver burn energy more faster
It removes aldehydes before damage can occur
It keeps inflammation low in liver cells
It reduces fat-burning and promotes fat buildup
Damaged mitochondria make less energy and burn less fat, which can lead to liver fat buildup, inflammation and worsening fatty liver disease. Learn more.

Test Your Knowledge with

The Master Level Quiz

1 People with what conditions may be more vulnerable to semaglutide’s psychological side effects?

Sleep apnea and chronic fatigue
Anxiety and depressive disorders
People with anxiety or depressive disorders may have a higher risk of suicidal ideation when using semaglutide, especially if taking mood-related medications. Learn more.
Seasonal allergies and migraines
Joint pain and thyroid problems

2 Which fish is not a rich source of omega-3s?

Cod
Cod is a lean white fish, while sardines, mackerel and herring are fatty fish that provide higher amounts of omega-3 fats. Learn more.
Sardines
Mackerel
Herring

3 What is the most widely used measure for counting live bacteria or fungal cells in probiotics?

Microbial Weight Index (MWI)
Gut Survival Rating (GSR)
Live Strain Score (LSS)
Colony Forming Units (CFU)
Colony Forming Units (CFU) measure live microorganisms able to divide and form colonies, helping show how many viable microbes are in a probiotic product. Learn more.

4 How does glycine reach the brain’s sleep center?

Glycine can cross the blood-brain barrier
Glycine can cross the blood-brain barrier and act on the suprachiasmatic nucleus, the brain’s circadian control center that helps start sleep. Learn more.
Sleep signals move through the digestive tract
Brain oxygen levels rise sharply after glycine use
Blood sugar changes carry glycine to sleep nerves

5 Which cells help the epidermis form a water-tight, UV-shielded barrier?

Melanocytes
Fibroblasts
Keratinocytes
Keratinocytes make keratin, which helps block moisture loss, microbial invasion, and ultraviolet (UV) damage in the outer skin layer. Learn more.
Red blood cells

6 Why do some anti-nausea medicines fail to help with motion sickness?

They raise stomach acid instead of calming nausea
Motion sickness is caused only by poor digestion
Their effects wear off after just a few minutes
They miss the brain regions triggered by motion mismatch
Motion sickness comes from a sensory mismatch in the brain, so drugs like ondansetron may not help because they target other nausea pathways. Learn more.

7 How does spending time in nature mainly change how much people eat or what foods they choose?

Meal size drops sharply after forest walks
Food quality improves more than food amount
Nature exposure may not reduce food intake, but it can lead people to choose higher-quality foods like whole, nourishing options. Learn more.
Daily eating becomes lower in calories only
Appetite usually disappears around nature

8 For how long has medicine wrongly targeted salt and sunlight as health threats?

10 years
25 years
35 years
50 years
For 50 years, salt and sunlight have often been treated as health threats, while deeper disease causes have received less attention. Learn more.

9 Which digestive issue can cause chest discomfort that feels like a heart problem?

Irritable bowel syndrome (IBS)
Lactose intolerance
Gallbladder stones
Gastroesophageal reflux disease (GERD)
Gastroesophageal reflux disease (GERD) and gastritis can mimic heart-related chest discomfort, especially after spicy food, alcohol, NSAIDs, or stress. Learn more.

10 How may melatonin help cells during plastic exposure?

Plastic particles are broken down into harmless nutrients
Cell aging speeds up so damaged tissue clears faster
Mitochondria stay healthier and cellular damage drops
Melatonin helped preserve mitochondrial function and reduce cellular damage, supporting cell energy systems while lowering oxidative stress from plastic exposure. Learn more.
Inflammation rises to remove plastic from the bloodstream

11 Brown rice from which country was shown to have the highest contamination?

United States of America
Brown rice grown in the southeastern United States had the highest contamination, while white basmati from India, Thai jasmine and California white rice had lower levels. Learn more.
India
Thailand
Italy

12 What do you call the inner tooth layer that is less dense and makes up most of its structure?

Pulp
Dentin
Dentin makes up most of the tooth and has tiny tubules that connect to nerves, so exposed dentin can cause sensitivity when enamel or cementum wears down. Learn more.
Plaque
Crown

13 Which exercise helps build full posterior strength for better posture?

Superman
The Superman exercise strengthens the back chain, helping the spine extend better and resist forward collapse during daily movement. Learn more.
Seated toe touch
Side leg raise
Wrist curl

14 How many grams (g) of dietary fiber is ideal to consume each day?

5 g
12 g
20 g
30 g
About 30 grams of fiber daily is ideal, but it should be increased slowly if the gut is inflamed or imbalanced to avoid feeding harmful bacteria. Learn more.

15 When getting healthy sunshine, what time window should be avoided?

6 a.m. to 9 a.m
10 a.m. to 4 p.m
Peak sunlight hours are 10 a.m. to 4 p.m. Avoid that window while removing vegetable oils from your system, since linoleic acid can react with Ultraviolet (UV) rays in skin. Learn more.
4 p.m. to 6 p.m
After sunset only

16 How quickly can immune cells respond during a sauna session?

Immediately after one 30-minute session
Immune cells increased right after a single 30-minute sauna session, and some stayed elevated for at least 30 minutes afterward. Learn more.
Only after several weeks of daily use
Once body temperature returns to normal
Several hours after sweating stops

17 What was Crisco originally made from?

Real butter mixed with tallow
Pure animal lard from pork fat
Coconut oil blended with cream
Vegetable oils from cottonseed oil
Crisco was sold as fake lard but was made entirely from vegetable oils, originally cottonseed oil, helping industrial oils enter the food supply. Learn more.

18 What kind of exercise builds the muscles around your knees?

Long-distance running
Deep stretching only
Strength training
Strength training builds the quadriceps and hamstrings around the knees, helping absorb impact and reduce stress on cartilage and ligaments. Learn more.
Balance drills alone

19 Is fatty liver disease reversible without medication?

Yes, lifestyle and nutrition changes can help
Reducing vegetable oils and alcohol, increasing choline, and supporting mitochondria may help restore fat metabolism and improve liver health. Learn more.
No, liver fat always requires drug treatment
Only surgery can remove fat from the liver
Supplements work even without diet changes

20 How many mitochondria are estimated to be in the human body?

10 trillion
100,000 trillion
The human body contains about 100,000 trillion mitochondria, each with hundreds of electron transport chains that help produce energy. Learn more.
1 million
500 billion

21 How many weeks do people need to recover after a hernia surgery?

Less than a week
A week and a half with long periods of bedrest
More than 2 weels
More than 4 weeks
A two-week recovery is common after hernia surgery, but many people need more than four weeks of mostly bed-bound rest to heal properly. Learn more.

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