Rapid Review Quiz: Intermittent Fasting

Romesh Khardori, MD, PhD


May 06, 2022

In a recent meta-analysis, the three main forms of intermittent fasting (alternate-day fasting, the 5:2 diet, and time-restricted eating) produced mild to moderate weight loss over short durations (3%-8% loss from baseline over 8-12 weeks). This weight loss was on a par with observations associated with daily calorie restriction and other traditional dieting approaches. Intermittent fasting was safe overall and produced few gastrointestinal, metabolic, neurologic, or hormonal adverse effects.

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