Physical activity contributes to health by reducing the heart rate, decreasing the risk for cardiovascular disease and reducing the amount of bone loss that is associated with age and osteoporosis. Physical activity also helps the body use calories better, thereby helping with weight loss and weight maintenance. It can increase basal metabolic rate, reduce appetite and help in the reduction of body fat.

Exercise also increases energy, reduces stress, lowers blood pressure and cholesterol and improves sleep. It also lowers risks of other various diseases and conditions, including stroke, heart disease, diabetes and cancers.