Intermittent fasting for weight loss in obese patients

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Obesity is a complex disease with many potential treatment avenues. In my traditional training to become a registered dietitian, I learned to encourage my overweight and obese patients to simply reduce their food intake by 500 calories per day on average to experience healthy, gradual weight loss. Fasting, despite its history of successful use in a variety of religious and medical settings, was considered unhealthy, inappropriate, and a fad diet not to be recommended. That was over 20 years…