In general, when people are enthusiastic and healthy, they are more motivated to exercise. The health benefits of exercise are well known. This is due to the ability of cells to function normally and the strengthening of the immune system in its ability to fight off insults that the individual may encounter. All systems of the body function efficiently, so an individual's physical and mental health benefits. A nutrient-rich diet will keep people's bodies functioning in optimal condition, as well as free them from worries about various ailments. Overall, a healthy diet leads to a reduced risk of disease and, consequently, better overall fitness