最近，国外科学家提出一种新观点：中年人要想健康长寿，运动必须保持应有的强度，要多流汗才行。同时，还要持之以恒。不少中年人因事业和家庭所累，其运动量明显不足，容易患上多种疾病。而中年人适当消耗体力，多流汗之所以能延年益寿，主要是大量的活动能增加血管弹性、消 Recently, foreign scientists have come up with a new idea: for middle-aged people to live healthily and longevity, their exercise must maintain its strength and sweat more. At the same time, we must persevere. Many middle-aged people, tired of their careers and their families, have obviously less physical activity and are susceptible to various diseases. The middle-aged people appropriate physical exertion, the reason why multi-sweat longevity, mainly a large number of activities can increase blood vessel elasticity, elimination