写一篇关于运动与健康的英语作文(70词左右),

As the up-to-dateness developed at a high speed,the phenomenon of the lack of physical work and athletic sports is becoming more and more serious.The changes of life style and working mode are a big threat to people's health.First of all,the metabolism of the people who lack of athletic sports will fall.And those people whose body always keeps still is equal to have a pack of cigarettes.If you want to be health and happily live a good life,please add a task of doing sports into your everyday life.