Why is regular physical activity necessary?
Physical inactivity, along with other key risk factors, is a significant contributor to the global burden of chronic disease. Regular physical activity reduces the risk of heart disease, stroke, breast, and colon cancers. These benefits are mediated through a number of mechanisms. In general, physical activity improves glucose metabolism, reduces body fat and lowers blood pressure; these are the main ways in which it is thought to reduce the risk of CVD and diabetes. It can also help manage and mitigate the effects of these diseases. Physical activity may also reduce the risk of colon cancer by its effects on prostaglandins, reduced intestinal transit time, and higher antioxidant levels. Physical activity is associated with a lower risk of breast cancer, which may be the result of effects on hormonal metabolism. Participation in physical activity can also improve musculoskeletal health, control body weight, and reduce symptoms of depression. The possible beneficial effects on musculosk
