美国哈佛大学的一项研究成果表明,每天大运动量锻炼身体的人要比偶尔从事剧烈运动的人寿命长。有关研究人员20多年来跟踪调查了17300名中年人,结果发现运动量大,一周消耗1500热卡(卡路里)的人比一周只消耗不到150热卡的人的死亡率低25%。因此,专家确认只有从事大运动量的体育 A Harvard University study shows that people exercising on a daily basis for a long period of time have longer life expectancy than people exercising on an occasional strenuous exercise. Researchers tracked 17,300 middle-aged adults for more than two decades and found that those who exercised for more than 1,500 calories a week consumed 25% less than those who consumed less than 150 calories a week. Therefore, the experts confirmed that only engaged in a large amount of physical activity