
Does TikTok Really Make Teens Eat More? What the Viral 25-Teen Study Actually Found
Headlines say TikTok is shaping teenagers’ appetites and diets. The underlying study is much narrower: four focus groups with 25 teens, no calorie tracking, no
Sherafy’s 2026 California Voter Guide brings our election research into one place, with clear recommendations and links to the full evidence behind each one.
Evidence-aware explanations of health, medicine, nutrition, public-health research, and contested wellness claims, with attention to risk, uncertainty, and practical limits. Educational information, not individualized medical advice.

Headlines say TikTok is shaping teenagers’ appetites and diets. The underlying study is much narrower: four focus groups with 25 teens, no calorie tracking, no

A new study found that people who consumed at least one sugar-sweetened beverage per day had 2.45 times the gastric-cancer risk of people who rarely

Researchers found that people who deliberately focused on sensations from a small area of experimentally induced inflammation developed a smaller inflammatory response than when they

Scientists found that declining phosphatidylcholine synthesis contributes to mitochondrial aging—and that choline can restore some mitochondrial functions in worms. But nobody reversed aging in a

A new AI model found that full overnight sleep studies contain information about mortality and disease risk that the standard apnea-hypopnea index can miss. But

Social media posts claim a UK Biobank study proves sunscreen increases melanoma and other skin cancers. The numbers are real. The interpretation is not. The

Headlines suggest eating less protein could help you live longer. The underlying 2026 paper is not a human longevity trial—or even a meta-analysis. Here is

A four-week randomized trial found that a vegan diet changed DNA methylation and lowered two health-related biological-age estimates. But another aging clock moved in the

A new JAMA study found that older adults who performed well on a 30-second one-leg balance test had substantially lower mortality over seven years. But

A major new study followed nearly 260,000 adults for about 20 years and found that waist circumference and waist-to-hip ratio can reveal cardiovascular risk that