Intermittent Fasting (IF), one of the world’s most popular health trends, is an eating pattern that alternates between periods of fasting and eating. The ultimate beginner’s guide to IF emphasizes its flexibility, as it doesn’t prescribe specific foods but focuses on when to eat, with common methods including 16-hour daily fasts or fasting for 24 hours twice a week. IF is associated with potential benefits for brain and heart health, and its historical roots in human evolution highlight its natural compatibility with the body’s ability to function without constant food intake. 

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