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Quick GuideDiet and Weight Loss: Healthy Dieting Myths and Facts
What are the health risks of fasting diets?
Although more research is needed to fully understand the long-term benefits and risks of fasting diets, the short-term risks to consider include headaches, irritability, and fatigue. Electrolytes can be disrupted by fasting and can be monitored with blood tests.
Anyone considering a fasting or detox diet should first consult with a health-care professional, and certain people should never try one of these diets. People who are on medications for blood pressure or diabetes may have to reduce their medications while fasting; in addition, some diabetics may have dangerous high and/or lows in glucose levels if they attempt certain diets. They should be monitored and work in partnership with a health-care provider (for example, their primary-care provider and/or specialist). Also, fasting or any other type of diet that severely restricts calories is not recommended for pregnant or women who are breastfeeding.
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