Do you keep gaining weight, despite your efforts to diet? You may be one of the millions who have Metabolism B, an inherited condition that causes your body to overprocess carbohydrate foods into excess body fat. There is a reason that some people can eat all they want (and seemingly never gain a pound), while the rest of us fret over every carb. Diane Kress, a registered dietitian and weight-loss specialist, has helped thousands with Metabolism B lose weight-and keep it off-with her revolutionary, scientifically based programs. Now she shares its secrets here.