Fasting to cleanse the body and jumpstart a weight loss diet has been recommended for years. But the reality is that fasting deprives the body of nutrients. The result is low energy, weakness, and lightheadedness, not real weight loss. Any loss is water and muscle, not fat, and you regain the weight when you start eating again. Fasting does not clear toxins from the body, either — just the opposite: Ketones can build up when carbohydrates are not available for energy, and that massing of ketones stresses the kidneys and can ultimately be harmful to your health.
 | If you fast, you may drop pounds, but some of that weight will be muscle, and most of it will be water. You need to eat protein foods such as lean meat, eggs, low-fat or fat-free milk, or legumes (beans and peas), or you'll be thin and flabby, not thin and shapely. |
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