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Your brain on ketones: Does a ketogenic diet affect cognition, sleep, and mood?

Ketogenic diets affect nerves; that's why they're an effective treatment for some seizure disorders. But how these diets affect mood and cognition is less clear.

Study under review: Three consecutive weeks of nutritional ketosis has no effect on cognitive function, sleep, and mood compared with a high-carbohydrate, low-fat diet in healthy individuals: a randomized, crossover, controlled trial.

Introduction

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Who and what was studied?

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What were the findings?

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What does the study really tell us?

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The big picture

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Frequently asked questions

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What should I know?

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