Robert Lustig, MD: We're All Eating More, But Is That the Cause or the Effect?
22 Mar 2024 · 1 min

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Robert Lustig questions whether rising food intake is the cause of obesity or an effect, highlighting that correlation ≠ causation. He introduces accelerometry-derived METs showing declines in physical activity among American girls (age 9→19), with marked decreases by mid-adolescence — raising the question whether reduced activity explains obesity trends or whether activity decline is itself an effect.










