The Obesity Epidemic: Biology and Environment Explained
Correction Health

The Obesity Epidemic: Biology and Environment Explained

Corrected by Emir Baycan · on When Notes Fly · 19 July 2026 · View published page ↗

Examine the multifaceted causes of the obesity epidemic, focusing on biological and environmental aspects.

Misleading wording

The exact change

Before

As of 2020, 42.4% of American adults have obesity.

After

Based on the 2017-2018 NHANES survey cycle (published 2020), 42.4% of American adults have obesity.

Why this is better

The 42.4% obesity-prevalence figure was correctly cited from the CDC/NCHS NHANES data, but the article mislabeled it as "as of 2020" when 2020 was only the year the report was published. The actual measurement period was the 2017-2018 survey cycle. Fixed in the body (2 mentions), the excerpt, and the FAQ answer about why obesity increased since 1980.

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