There is a linear relationship between physical activity and health status. Because of inactivity is the fourth leading cause of death worldwide, it should be described as global problem with health, economic, environmental and social consequences. Being physically active is important for maintaining and enhancing health and also for preventing diseases caused by inactivity, because inactivity is a modifiable risk factor for many chronic diseases including cardiorespiratory diseases, obesity, diabetes mellitus, cancer (colon and breast), bone diseases (osteoporosis and osteoarthritis), and depression. There is evidence that regular physical activity contributes to the primary and secondary prevention of several chronic diseases and is associated with a reduced risk of premature death. To gain adequate health benefits, physical activity at recommended levels in the guidelines should be engaged. For additional health benefits physical activity should be increased.