It is important to stay away from empty calorie foods and energy-dense foods. Empty calorie foods are foods that are high in calories but contain few nutrients such as vitamins, proteins and minerals. Examples of empty calorie foods include chips and soda. These are your normal snacks and desired foods. Energy-dense foods are foods that contain a high amount of calories per unit. These foods are often processed and have a long shelf life. Fast foods such as hamburgers, fried chicken, and milkshakes are examples of high-energy foods. There are some exceptions to high-energy foods. For example, nuts are high in calories, but they are a good source of healthy fats. It is acceptable to eat nuts