Health is wealth. We keep guards to protect our wealth from thieves. Similarly we should protect our health from disease. Physical exercise guards our health. Good health is impossible without proper exercise. Physical exercise prevents the attack of disease. There are some diseases which can be cured through physical exercise.
Different people do different exercises. It depends upon their physical constitution and their likings. Morning walk and evening walk are recommended for all. But those who have weak constitutions are advised not to go for gymnastics.
Free-hand exercises can be easily practiced by all. In schools and colleges, there are facilities for outdoor games. The brain of the students will be free and can receive anything whenever they begin to read anything.
In villages, some rural sports are played. Those include kho-kho, kabadi, monkey-dance on trees etc. Young boys climb trees to collect fruits. These kinds of games and habits serve for exercises. Boating and riding are also good examples of exercise. Playing football, hockey and cricket in school and college has become very popular. In advanced age, people should adopt morning walk in order to keep themselves active.
Mental work has increased for modern man. He does more mental work and less of physical work. In this way he ruins his body. He becomes easy victim to different ailments. Only physical exercise can help him in being healthy. It is a matter of grief that the scope for physical exercise is gradually decreasing.
Students are busy in preparing for competitive examinations. They are not paying attention to their health. They believe that only good food can keep them healthy. But it is a wrong idea. They can be healthy and strong" in true sense, if they do regular physical exercise.