据美国《纽约时报》2007年11月20日报道,匹兹堡大学的研究人员用了约10年时间,在观察了近500名老年人后发现,走路快的老人比走路慢的老人死亡率更低。数据显示,走路慢的人中有77%死亡,中速的人中有50%死亡,而走路速度快的人中,只有27%的人死亡。研究人员称,该调查揭示出行走速 According to the New York Times reported on November 20, 2007, researchers at the University of Pittsburgh spent about 10 years observing nearly 500 elderly people and found that those who walk faster have a lower mortality rate than those who walk slower . Data show that 77% of people who walk slowly, 50% of people who die at medium speed, and 27% who walk fast. The researchers said the survey revealed speed of travel