Fad diets are notorious for marketing themselves as the key to ... which can be stressful on the body and harmful to long-term metabolic health. The Mayo Clinic advised three key elements to look out ...

Most commonly, a fad diet will promote rapid weight loss ... This medication is mainly used to treat fertility issues, according to Mayo Clinic. The Food and Drug Administration does not classify HCG ...

US News & World Report recently put out its annual ranking of diets. Skip the fad diets and pay attention to the ones nutrition experts ranked best. Follow Tech Insider: On Facebook More from ...