Fad diets may work for the short term, but over the long haul many men and women discover they gain weight as soon as they discontinue it. Unfortunately each weight loss and weight regain cycle disrupts your metabolism, making sometimes more difficult to lose weight in the future. Instead of following the latest fad diet, Dr. Cederquist explains why a customized approach based upon your own individual lab results is the best way to determine what the best diet for weight loss is for you.