What are the benefits of fitness

    There are many benefits of fitness. First, fitness can improve the function of the heart and lungs, especially during aerobic exercise, such as running or swimming, which can improve the contractility of the heart and increase lung capacity. Secondly, fitness can improve the metabolism of blood lipids, reduce blood lipid levels, and can improve insulin resistance, lower blood sugar levels, and reduce the occurrence of diabetes. Third, fitness can reduce weight, reduce the proportion of body fat, make muscles more developed, and increase the basal metabolic rate. Finally, fitness may improve bone strength, make bones stronger, and reduce the occurrence of osteoporosis.