The Keto Diet

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Keto promised something no other diet could: cut the carbs, flip a metabolic switch, and burn fat without counting a single calorie. A magic loophole in human physiology. So does it actually work?

This week we trace keto from a deaf Victorian undertaker who accidentally invented the first diet book, to a 1920s epilepsy clinic that turned fasting into medicine, to the bankrupt Atkins empire, to the shirtless guys on TikTok insisting grains ruined their lives. Then we get into the science: what ketosis actually is, why the carb-insulin hypothesis doesn't survive a metabolic ward, what Kevin Hall's lockdown studies really found, and why you should treat "it worked for me" with a grain of ketogenic salt.

We also get specific about athletes: what fat adaptation can and can't do and who might genuinely benefit from a low-carb approach versus who's just going to get slower and crankier (Zoë, for sure).

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