I. Junk food is defined as food with little nutritional value but high calories, salt, and fat. It includes candy, baked goods, ice cream, salty snacks, and soft drinks. II. Junk foods lack essential proteins and nutrients and have "empty calories." While they may taste good, they provide no real nutrition and can lead to health problems if eaten regularly. III. A balanced diet derived from fruits, vegetables, whole grains, lean proteins and healthy fats provides the nutrients necessary for good health and disease prevention. Maintaining a balanced diet and active lifestyle is important for overall well-being.