If you view your body as a machine that you need to nourish with the right foods – whole grains, vegetables, fruits, poultry, fish and low-fat dairy products – to keep it running properly, “it helps take the emotion out of eating,” says Elizabeth Ward, M.S., R.D., author of the Pocket Idiots Guide to the New Food Pyramids (Alpha, 2006). This change in mindset can help you make healthier choices and curb cravings.