Forget all the diets that say no to carbohydrates. We actually need carbohydrates to boost our metabolic rate, fuel our muscles, and keep our organs in top condition. This doesn’t mean you should load up on the bread; the key to healthy and effective dieting is balance. With ABC Extreme Makeover: Weight Loss Edition’s Chris Powell’s diet plan, you’ll alternate between high-carb and low-carb days so you can both burn fat and boost your metabolism. Click here for the high-carb meal plan.