Exercise helps in improving our physical and mental health. It keeps our body fit and strong. Physical activity keeps stress away and it makes us feel happy. It prevents many types of diseases and health problems. Exercise plays an important role in weight control so it is very necessary for obese people. It helps in improving the functioning of brain. It is not necessary that you exercise for a long time. Just ten minutes two or three times daily would be enough. You can improve your self-esteem by staying active and moving your body. The best exercises are walking, running, cycling, swimming and stair climbing. Following are top 7 mind blowing benefits of exercise.