Elemental
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Elemental

The Science Behind the Mental Clarity Diet

Butter coffee, keto, intermittent fasting. Does eating to prevent brain fog actually work?

Illustration: Johanna Walderdorff

AtAt the end of 2015, Geoffrey Woo was preparing to embark on his first experiment with radical intermittent fasting: a 60-hour stint, from Sunday night to Wednesday morning.

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