In order to make your heart healthier, you need to have a proper diet and do plenty of exercises. You should avoid fatty foods such as potato chips and instead eat fruits such as pistachio. You should also eat healthy carbohydrates such as whole meal bread instead of white bread. Some exercises that you should do include aerobic and cardiovascular exercises. Visit http://www.webmd.com/fitness-exercise/guide/exercise-healthy-heart for more information.