Summary: We’ve all heard the claims of fad diets. Cut carbs and lose 20 pounds. Drink nothing but smoothies and drop a dress size. Eat like a Neanderthal and get in the best shape of your life. But are any of these fad diets actually healthy, or even safe, for you to be on? Kary Woodruff, registered dietitian at University of Utah Health, warns of the unhealthy red flags to look out for before starting a fad diet.
