1 Many PFAS-containing medicines can break down into which persistent compound?

• Acetic acid
• Lactic acid
• Citric acid
• Trifluoroacetic acid

  Many per- and polyfluoroalkyl substances (PFAS)-containing medicines can degrade into trifluoroacetic acid, a highly persistent compound that is difficult to remove from water. Learn more.

2 What caused most GLP-1 medication exposures reported to U.S. poison centers?

• Allergic reactions
• Accidental dosing mistakes

  A Journal of Medical Toxicology analysis found that most glucagon-like peptide-1 (GLP-1) reports involved therapeutic errors, such as taking the wrong dose or injecting too often. Learn more.

• Intentional overdoses
• Drug interactions

3 What can happen when the intestinal barrier becomes more permeable?

• Digestion stops completely
• Stomach acid production increases to aid digestion
• Nutrient absorption becomes faster and higher
• More substances can pass through the gut lining

  A more permeable intestinal barrier allows substances that normally stay inside the digestive tract to pass more easily through the lining. Learn more.

4 Which factors help determine whether a supplement formula makes scientific sense?

• Bottle size, label design, and price
• Flavor, packaging, and serving size
• Brand recognition, color, and texture
• Nutrient form, dose, absorption, and delivery

  Nutrient form, amount, absorption, and delivery all affect how well a supplement is designed to provide its intended nutrients. Learn more.

5 Which groups showed a stronger link between poor muscle health and Type 2 diabetes?

• Men and adults over 70
• Teenagers and older men
• Women and adults younger than 60

  Women and adults younger than 60 showed a greater increase in Type 2 diabetes risk when poor muscle health occurred with excess body fat. Learn more.

• Men and adults younger than 40

6 Which of these habits can make tonsil stones more likely to form?

• Drinking water regularly
• Chewing crunchy foods
• Gargling with salt water
• Mouth breathing

  Mouth breathing reduces saliva, so bacteria and food debris are less likely to be washed away before they collect in the tonsils. Learn more.

7 When is the colon naturally more active?

• After waking up

  The colon naturally becomes more active after waking, which helps move stool toward the rectum and makes morning bowel movements more common. Learn more.

• Late at night
• During deep sleep
• Before bedtime