Nowadays, as the living standard is improved, our activities at leisure time are becoming more and more diverse. However, playing sports remains one of the most favorite due to its significant values. To begin with, playing sports promotes our physical health. It is obvious that sports help to build muscle and strengthen our bones as it requires a lot of physical activities. Besides, it also enhances blood circulation, reduces the risk of stroke, heart trouble and hypertension. In the second place, it acts as a wonderful mood lifter. When we do some exercise, our brain will be stimulated to produce endorphin – a natural chemical that gives us a sense of happiness and satisfaction
