Willpower or Won’t-power: What works for weight loss?

  Most dieters start out buzzing with enthusiasm, determined to meet their weight-loss goals. Healthy eating and avoiding temptations top the menu - and fueled with their new-found "willpower", they're convinced they'll stick to their goals. But as the days and weeks go by, willpower diminishes and junk food and other diet-disasters find their way onto the menu once again;...