Cigarette smoking - Smokers who exercise vigorously and regularly are more likely to cut down or stop smoking. Diabetes - People at their ideal weight are much less likely to develop diabetes. Exercise may also decrease a diabetic's insulin requirements. Obesity and overweight - Exercise can help people lose excess fat or stay at a reasonable weight. Recent studies have shown that regular physical activity significantly increases HDL levels, and thus reduces your risk.
Physical activity builds healthy bones, muscles and joints, and reduces the risk of colon cancer.
Millions of Americans suffer from illnesses that can be prevented or improved through regular physical activity. Physical activity also brings psychological benefits. For example, it reduces feelings of depression and anxiety, improves mood and promotes a sense of well-being. Some people should consult their doctor before they start a vigorous exercise program. You have a heart condition or you've had a stroke, and your doctor recommended only medically supervised physical activity.