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What is exercise? The actual definition of exercise is; to use repeatedly in order to strengthen or develop, but to make it simpler, exercise is doing programs and workouts to keep fit, for example, running, hiking, bicycling, and any active sport. Most Americans do little or no exercise during work or rest hours. Today there aren’t many jobs requiring intense physical activity. Instead of walking, people use automobiles or public transportation. Instead of being physically active, people usually watch TV in their free time. Some sports such as bowling, golf, and tennis (doubles) provide some exercise, but do not provide as much exercise as other more vigorous sports. Exercise is very important and is beneficial both physically and mentally. When you exercise, you feel better about yourself because you are fit or your getting fit and you feel that you have accomplished something that was hard to strive for. The benefits of physical activity are it gives you more energy, it helps you in coping with stress, it improves self-image, and it increases resistance of tiredness. Exercise does not only keep you fit, it also reduces your chance of heart attack. Various studies have shown that the chance of heart attack is two tim