Robert Lustig: Obesity is a complex issue. Genes haven't changed, the environment has. #obesity
Short excerpt from a YouTube video where the speaker frames obesity as a multifactorial, complex problem involving energy intake and expenditure, genetics (speaker cites heritability of ~50%), an obesogenic environment that has changed over recent decades, and preventable lifestyle factors. The speaker emphasizes that genetics are fixed and have not changed in the last ~50 years, whereas the environment has become strongly obesogenic.
Questions this video answers
About 50% (speaker cites heritability studies).
No — the speaker states genes haven't changed in the last 50 years.
Chapters
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