Diet plans favouring grapefruits, cabbage soup, food combinations or even low-fat regimens are not the answer to weight loss. If you have been considering dieting because you think you ought to, give some thought to this fact: the vast majority of dieters eventually go back to their pre-diet weight or become heavier than they were before. Most people who start dieting will continue to do so, on and off, for the rest of their lives. If a range of foods is designated as forbidden, dieters feel guilty if they transgress, which makes them feel worse about themselves.