美国进行的研究发现,每天行走几公里便有助于使人长寿。新英格兰医学杂志刊登了这一发现。医生早已知道体育锻炼有益于人的健康,但是以前的研究并未证明走路(散步)是否能降低死亡率,或者因病不能行走的人是否因为不走路而减少寿命。 佛吉尼亚大学的科学家组织了这一研究。他们 Research conducted in the United States found that walking a few kilometers a day helped to prolong life. The New England Journal of Medicine published this discovery. Physicians have long known that physical activity is good for human health, but previous studies have not shown whether walking (walking) can reduce mortality or whether people who can not walk because of illness can reduce their lives because they do not walk. University of Virginia scientists organized the study. they