Just look at this list of health benefits that can be achieved by regular physical activity:

• Overall improvement of body composition (less fat, increased lean muscle mass)
• Better blood glucose control
• Increase in insulin sensitivity
• Improvement of blood lipid values (lower LDL ‘bad’ cholesterol, increased HDL ‘good’ cholesterol)
• Decrease in blood pressure
• Decrease risk of heart disease
• Gradual weight loss and/or weight management in combination with dietary management
• Building stronger muscles and bones