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1 Which condition is characterized by inflammation or irritation of the stomach lining?
Gastritis occurs when the stomach lining becomes inflamed or irritated, leaving the tissue underneath more vulnerable to stomach acid. Learn more.
2 A seal from a reputable organization like USP or NSF International usually indicates what?
Third-party testing helps verify that a product contains what its label claims and that it has been tested for harmful contaminants. Learn more.
3 Which microbes were most strongly linked to the farm effect?
Nine genera of gram-positive bacteria accounted for about two-thirds of the link between farm exposure and lower asthma risk. Learn more.
4 Which food can help nourish beneficial gut bacteria such as Akkermansia?
Blueberries provide polyphenols that can help support beneficial gut bacteria and a healthier gut environment. Learn more.
5 Compared with typical high-intensity interval training (HIIT), how is sprint-interval training usually performed?
Sprint-interval training uses brief, near-maximal efforts followed by longer recovery before the next sprint. Learn more.
6 What surprising household item can add pollutants to the air you breathe?
Scented candles can release pollutants into indoor air, along with sources such as incense, aerosol products, cleaning chemicals, and secondhand smoke. Learn more.
7 How does glycine help calm certain immune cells?
Glycine can reduce calcium spikes inside immune cells, which lowers their activation and decreases inflammatory signals such as tumor necrosis factor-alpha. Learn more.
Test Your Knowledge with
1 What type of medication is most likely to irritate the stomach lining when overused?
Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, can weaken the stomach’s protective lining when overused. Learn more.
2 How does regular physical activity help support people with attention-deficit/hyperactivity disorder (ADHD)?
Regular movement helps regulate the nervous system, which supports focus, mood, and sleep and may help reduce symptoms such as restlessness and inattention. Learn more.
3 Which bacterium is the most common cause of gastritis?
Helicobacter pylori infects the stomach and is considered the most common cause of gastritis worldwide. Learn more.
4 Which ingredient is not typically considered a filler or additive in a multivitamin?
Zinc is an essential mineral used as an active nutrient, while sugar, artificial flavoring, and binders can be added as fillers or additives. Learn more.
5 What can vitamin D deficiency during pregnancy increase the risk of?
Low vitamin D levels during pregnancy have been linked to a higher risk of C-sections, premature birth, and other complications. Learn more.
6 How many adults worldwide are affected by chronic kidney disease (CKD)?
Chronic kidney disease (CKD) affects about 788 million adults worldwide, more than twice the number reported in 1990. Learn more.
7 Which everyday habit can help support healthy microbial exposure?
Regular contact with natural outdoor environments can expose the body to a wider variety of microbes without requiring life on a farm. Learn more.
8 Why is phosphate overload difficult to detect?
Phosphate can build up without obvious symptoms, and added phosphates may not be clearly reflected on standard nutrition labels or routine blood tests. Learn more.
9 What was the average body mass index (BMI) of the women in the study?
In a pilot study published in Nutrients, University of São Paulo researchers studied adult women and found their average body mass index (BMI) was 24.7. Learn more.
10 Which form of inflammatory bowel disease had a stronger psychiatric link than ulcerative colitis?
Crohn’s disease showed a stronger psychiatric link over 10 years, with about one additional case for every 24 people. Learn more.
11 How can winter weather worsen migraines?
Cold temperatures can narrow blood vessels in the head and neck and irritate the trigeminal nerve, a major pain pathway involved in migraines. Learn more.
12 Which of these fat sources is high in linoleic acid (LA) and may create conditions that favor cancer spread?
Soybean oil is high in linoleic acid (LA), which may promote inflammation, abnormal clotting, and other changes linked to cancer spread. Learn more.
13 High volumes of ultra-endurance exercise have been linked to a higher risk of which heart rhythm problem?
Atrial fibrillation is an abnormal heart rhythm that has been associated with very high volumes of vigorous endurance exercise. Learn more.
14 Why isn’t drinking water alone always enough for proper hydration?
Electrolytes such as sodium and potassium help maintain fluid balance and support normal nerve and muscle function. Learn more.
15 Which of these terms describes the use of several medications at the same time?
Polypharmacy refers to taking several prescription drugs at once, often for different health conditions. Learn more.
16 What simple step can help bring more fresh air into your home?
Opening a window can improve ventilation, but it does not make indoor smoking safe. Tobacco smoke can remain in the air and settle on household surfaces. Learn more.
17 How much moderate exercise per day can begin to meaningfully reduce liver fat when done five days a week?
About 20 to 25 minutes of moderate activity five days a week can begin to reduce liver fat, even without weight loss. Learn more.
18 What condition is Landry’s paralysis now generally called?
Guillain-Barré syndrome (GBS) is a neurological disorder that can cause muscle weakness and paralysis. Older medical reports sometimes used the term Landry’s paralysis for similar cases. Learn more.
19 How much glycine can the human body make each day?
The body produces about 3 grams of glycine daily, while food typically provides another 1.5 to 3 grams. Learn more.
20 What type of rennet is commonly used in many cheeses today?
Most cheeses today are made with genetically modified rennet. Make sure you’re buying cheese made from raw, organic, grass fed milk and natural animal-based rennet only. Learn more.
21 What gas helps keep blood vessels in the brain open?
Carbon dioxide (CO2) helps widen blood vessels. When CO2 drops too low from overbreathing, brain blood flow can decrease. Learn more.
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