HEALTH BENEFITS OF A BALANCED DIET Healthy eating increases energy, improves the way your body functions, strengthens your immune system and prevents weight gain. The other major benefits are: Meets your nutritional need. A varied, balanced diet provides the nutrients you need to avoid nutritional deficiencies. Prevent and treat certain diseases. Healthful eating can prevent the risk of developing certain diseases such as diabetes, cancer and heart disease. It is also helpful in treating diabete