The energy your body gets from the nutrients in the food you eat is ... As a rule of thumb, the more calories you eat, the more active you have to be to maintain your ... As you age, your body might need less food for energy, but it still ... Some of these factors can make it hard to lose weight or keep weight off.

<p>If you want to limit your risk for heart disease, cancer, diabetes and other health conditions, you need to eat the right foods. Eating whatever you want while staying within your recommended daily calories will keep you from gaining ... Both how much you eat and what you eat are important for staying healthy as you get older.</p>

If you want to limit your risk for heart disease, cancer, diabetes and other health conditions, you need to eat the right foods. Eating whatever you want while staying within your recommended daily calories will keep you from gaining ... Both how much you eat and what you eat are important for staying healthy as you get older.