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The effects of full fasting vs. modified fasting on cognitive performance

How does full fasting impact mental functioning compared to very low-calorie intake over the course of a day? This study aimed to find out.

Study under review: Modified Fasting Compared to True Fasting Improves Blood Glucose Levels and Subjective Experiences of Hunger, Food Cravings and Mental Fatigue, But Not Cognitive Function: Results of an Acute Randomised Cross-Over Trial

What was the question?

How does modified fasting (around 500 kcal per day spread out over either two or three meals) compare to true fasting (0 kcal per day) with respect to blood glucose, hunger, food cravings, mental fatigue, and cognitive performance?

Why was the question worth asking?

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How was the question answered?

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What was the answer?

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How much should you trust the answer?

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What’s the take-home?

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Other Articles in Issue #77 (March 2021)