Book excerpt: We all need to eat! But making healthy food choices can be tough. To be healthy, we can't eat only our favorite foods. We need to eat some foods from each of the five food groups: dairy, fruits, vegetables, grains, and proteins. Learn about all five food groups and find out why each is so important to a healthy life. Discover why eating a balanced diet is one of the best ways to lose weight, stay in shape, and keep your body healthy--and how you can do just that!