A current popular trend in weight loss is the fasting diet, sometimes called an intermittent calorie restriction diet. These diets are often touted as a more successful or less onerous alternative to a conventional weight loss diet based on continuous calorie restriction. So, what does the research tell us? To lose weight and keep it off, are we better off eating less every day? Or trying regular, intermittent calorie restriction (5:2)? Or using severe intermittent calorie restriction (5 days decreased intake:2 days fasting)?
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