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Weekly Health Quiz: Deli Meat Concerns, How Caffeine Affects Metabolism, and Reasons to Eat More Beets

August 31, 2026
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1 What type of meat showed the strongest independent link to oral cancer risk?

Smoked meat
Smoked meat stood out as the strongest independent risk factor, likely because high-heat processing can create compounds that damage DNA over time. Learn more.
Boiled meat
Stewed meat
Baked meat

2 Why is chronic kidney disease often called a silent health crisis?

It only affects people with severe pain
Early damage can happen without obvious symptoms
Early kidney damage may progress quietly for years, so many people feel normal until significant loss of function has already happened. Learn more.
Kidney changes always show up right away during checkups
Most people notice symptoms within a few days

3 What outcome did researchers observe in people who exercised after an excessive caffeine dose?

More caffeine did not always burn more fat
In a study published in the Journal of the International Society of Sports Nutrition, 9 mg/kg of caffeine did not improve fat oxidation and shifted fuel use toward carbohydrates. Learn more.
Larger doses worked better every time
Fat oxidation doubled during each workout
Exercise no longer affected fuel use

4 Why can food-based supplement formats help with consistency?

They remove the need for real meals
They make nutrition work instantly
They fit into an existing eating habit

Habits tend to stick better when they are tied to something already done every day, and eating is one of the most reliable daily routines. Learn more.
They don't depend on stronger willpower

5 What is a helpful response after missing a workout?

Treat the missed session as proof of failure
Choose the smallest next action and restart
A missed workout is information, not failure. Looking at what got in the way and taking one small next step helps rebuild momentum. Learn more.
Ignore what interrupted the original plan
Wait until motivation feels perfect again

6 When should someone usually start eating again after a stomach bug?

Once fluids are replaced and nausea settles
After rehydration and less nausea, small amounts of easy-to-digest food can help the gut recover without overwhelming digestion. Learn more.
Only after every symptom is gone for a week
Before the body can tolerate small sips
After avoiding all solid food for several days

7 What molecule does the body make from nitrate in beets?

Lactic acid
Creatine
Nitric oxide
Nitric oxide helps blood vessels relax and widen, making it easier for blood, oxygen, and nutrients to move through the body. Learn more.
Collagen

Test Your Knowledge with

The Master Level Quiz

1 What compounds can form when meat is cooked at high temperatures?

Short-chain fatty acids (SCFAs)
Polycyclic aromatic hydrocarbons (PAHs) and heterocyclic amines (HAAs)
Polycyclic aromatic hydrocarbons (PAHs) and heterocyclic amines (HAAs) can form during high-heat cooking and may contribute to cellular damage. Learn more.
Human milk oligosaccharides (HMOs)
Colony forming units (CFUs) and active fluorescent units (AFUs)

2 What substance is fibroblast growth factor 23 (FGF23)?

Mineral
Enzyme
Vitamin
Hormone
Fibroblast growth factor 23 (FGF23) is a hormone. Phosphate in soda may raise FGF23 levels, which can affect blood vessels, bones, and heart health over time. Learn more.

3 What food group was linked to lower oral cancer risk?

Vegetables
Vegetables were identified as a protective dietary factor, making whole foods a better daily choice than heavily processed or charred meats. Learn more.
Deli meats
Fried meats
Pastured eggs

4 Which factor was the biggest contributor to kidney-related health loss?

Low vitamin D levels
High fasting blood sugar
High fasting blood sugar accounted for the largest share of kidney-related health loss, followed by high blood pressure and excess body weight. Learn more.
Too much dietary potassium
Low daily water intake

5 Which test is a common starting point for checking iron overload?

Serum ferritin test
A serum ferritin test shows how much iron the body stores, making it a useful first step when checking for possible iron overload. Learn more.
Vitamin D blood test
Thyroid antibody test
Fasting insulin test

6 What molecule is central to cellular energy and mitochondrial health?

Gamma-aminobutyric acid (GABA)
Glucagon-like peptide-1 (GLP-1)
Nicotinamide adenine dinucleotide (NAD+)
Nicotinamide adenine dinucleotide (NAD+) helps drive energy production, supports mitochondrial function, and plays a role in DNA repair and inflammation control. Learn more.
C-reactive protein (CRP)

7 How does caffeine help the body use more fat for fuel?

It blocks carb digestion during exercise
It blocks adenosine receptors in the body
Caffeine blocks adenosine receptors, raising signals like epinephrine that help release fatty acids for working muscles to use during exercise. Learn more.
It increases the need for daily movement
It lowers all hormone activity at once

8 What is one way to reduce PFAS exposure at home?

Using more waterproof products
Heating food in fast food wrappers
Cooking with high-quality nonstick pans
Filtering your drinking water
Filtering drinking water with a system designed for per- and polyfluoroalkyl substances (PFAS) can help cut off a major source of exposure. Learn more.

9 What amount of sleep may support long-term well-being?

At least 7 hours a night
At least 7 hours of sleep per night was defined as sufficient, while regularly sleeping less was linked to lower long-term well-being. Learn more.
Around 4 hours with naps
Less sleep on work nights
Any amount if energy feels fine

10 Does a food-based supplement format mean it should replace meals?

Yes, because supplements work better alone
Yes, because food becomes less important
No, it should support real meals
Food-based formats are meant to support a food-first approach, where real meals remain the foundation and supplements fill gaps when needed. Learn more.
No, but it can replace breakfast from time to time

11 Which compound is described as an “umbrella remedy”?

Methylene blue
Dimethyl sulfoxide (DMSO)
Dimethyl sulfoxide (DMSO) is described this way because it may support inflammation control, circulation, and tissue repair across many uses. Learn more.
Molecular hydrogen
N-acetylcysteine (NAC)

12 What drugs are commonly prescribed to lower cholesterol?

Statins
Statins are commonly prescribed to lower cholesterol, though their broader effects on heart health are being questioned. Learn more.
Antibiotics
Antacids
Antihistamines

13 What type of exercise routine is easiest to maintain?

A strict plan that feels difficult every day
A workout chosen mainly to impress others
A routine that constantly pushes your current fitness level
An activity that feels fun, safe, and realistic
Exercise is easier to repeat when it fits a person’s interests, schedule, and ability. Learn more.

14 Which common over-the-counter painkillers may increase bacteria’s resistance to antibiotics?

Naproxen and aspirin
Caffeine and melatonin
Ibuprofen and acetaminophen
Ibuprofen and acetaminophen may help bacteria adapt against antibiotics, making ordinary infections harder to clear. Learn more.
Antacids and antihistamines

15 What eating pattern can disrupt gut bacteria and increase junk food cravings?

Calorie cycling
Intermittent fasting
Low-carb dieting
Yo-yo dieting
Yo-yo dieting means repeatedly switching between restriction and overeating, which may disrupt gut bacteria and make junk food cravings harder to control. Learn more.

16 Why might milk or some carbohydrates bother the gut after a stomach bug?

The body can no longer use carbohydrates
Digestion may be temporarily reduced
A stomach bug can temporarily reduce digestion of lactose or larger starch servings, but tolerance often improves as the intestinal lining heals. Learn more.
Dairy always becomes a lifelong problem
All starches should be avoided permanently

17 What is a natural way to support vitamin D production?

Avoid sunlight all throughout noon
Regularly undergo vitamin D testing
Get enough healthy sunshine
Healthy sunlight exposure helps the skin begin vitamin D production, but timing should consider skin color, linoleic acid intake, and regular blood testing. Learn more.
Rely only on fortified foods

18 How do many women first learn they have an ovarian cyst?

An ultrasound exam
Many ovarian cysts cause no symptoms, so they are often found when an ultrasound reveals fluid-filled sacs on or inside the ovaries. Learn more.
A blood pressure check
A skin allergy test
A routine vision test

19 What helps start the nitrate-to-nitric oxide process?

Extra stomach acid
Beneficial mouth bacteria
Beneficial bacteria in the mouth help convert dietary nitrate into nitrite, an early step in the body’s nitric oxide pathway. Learn more.
Stronger tooth enamel
Higher protein intake

20 What biomarker may dysfunctional breathing habits lower in the body?

Vitamin D levels
Blood sugar levels
Muscle protein levels
Carbon dioxide (CO2) levels
Dysfunctional breathing patterns may become linked to emotional triggers and can lower carbon dioxide (CO2), which plays an important role in healthy breathing balance. Learn more.

21 What was the Flexner Report?

A 1910 report that reshaped medical education
Commissioned by John D. Rockefeller, the Flexner Report standardized medical education and pushed schools toward a model centered on drugs and surgery. Learn more.
A nutrition plan for improving hospital meals
A drug trial focused on chronic care models
A public guide for lowering medical costs

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