How healthy eating is beneficial for physical activity Each day your food choices affect your health and they affect how you feel today, tomorrow, and any day in the future. Healthy eating is an important part of leading a healthy lifestyle. Combine healthy eating with physical activity and the results are even better! You can reach and maintain a healthy weight, reduce your risk of chronic diseases (like heart disease and cancer), and promote your overall health. Another positive to eating healthy in benefit of physical activity is food provides energy for physical activity. To get the energy you require, you need to get proper amounts of protein (which is needed to maintain and rebuild tissues such as muscles), carbohydrates (which is the body's preferred source of energy), fat (which also provides energy), and water (to replace water lost through activity). In the end, eating healthy is beneficial for physical activity because it gives you energy, you can lose weight or maintain a healthy weight, you have reduced risk of chronic diseases (like heart disease and cancer), and it will promote your overall health.