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    Jogging is 1 popular these days. Many of us jog for our health. Doctors say many of the health problems come from these 2habits: eating too much, drinking too much, smoking too many cigarettes(香烟)and not having enough exercise. Doctors3us," Eat less and exercise 4. "Jogging is one of the healthiest forms of exercise5it helps build a strong heart. It also helps most people lose weight. Some of the people think jogging is their doctor. So more and more people enjoy6 nowadays.