1How has processed meat been classified by the International Agency for Research on Cancer (IARC)?

• Not classified as a cancer risk
• Possibly carcinogenic with weak evidence
• Carcinogenic, with strongest evidence for colorectal cancer
• Only linked to skin-related conditions, such as melanoma

2What did the German study of over 6,000 adults find regarding severe gum disease and kidney health?

• It was tied to lower kidney function and higher urinary protein
• It had no measurable connection to kidney health markers
• It was linked only to improved kidney filtration
• It only affected people with pre-existing kidney disease

3What mechanism did researchers propose as a possible link between visceral fat and brain changes?

• Direct physical pressure on brain tissue
• Partial blockage of blood flow to the brain, increasing risk of stroke
• Reduced production of white blood cells, affecting immune function
• Inflammatory signaling molecules like TNF-alpha and IL-6

4Which age group recorded the largest increase in supplement use between 1999 and 2023?

• Adults ages 20 to 39
• Adults ages 40 to 64
• Adults age 65 and older
• Adolescents under age 20

5What intensity of activity produced encouraging results across the reviewed studies?

• High-intensity interval training
• Gentle activity like walking
• Heavy resistance weightlifting
• Moderate endurance running

6What did a large review find regarding using zinc to prevent colds before getting sick?

• It prevented colds as effectively as antibiotics
• It was roughly as effective as a placebo
• It cut cold risk in half right away
• It eliminated the need for other supplements

7What protein did the JAMA study measure in participants' blood?

• C-reactive protein
• Phosphorylated tau 217 (p-tau217)
• Hemoglobin A1c
• Brain-derived neurotrophic factor