Eat more whole grains and legumes.

Beans and rice are eaten all over the world for two reasons: They are cheap, and they are nutritious. Beans (most legumes) and whole grains such as brown rice, quinoa and even popcorn are high in fiber, which promotes a healthy digestive system and can help reduce the risk of some cancers and lower blood cholesterol levels. Legumes and whole grains are considered complex carbohydrates (good carbs) and have a low glycemic index. In addition, they are good sources of sustained energy. Most beans provide protein, an excellent energy source and a nutrient that forms the building blocks of hair, nails, bones, skin, cartilage, muscles, blood and even hormones.