As diet trends proliferate on social media, it can be hard to work out which are backed by science and which should be ignored. From paleo to keto, raw food to intermittent fasting, each attracts a tribe of ardent followers. Now Daniel Lieberman, professor of biological sciences at Harvard Univ...

Source: [Guardian International](https://www.theguardian.com/lifeandstyle/audio/2026/sep/22/do-any-diets-actually-work-podcast)

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