The researchers then compared those tallies to each person’s telomere length.
然后,研究人员比较了这些人的端粒长度及其得分。
And there were clear associations. For every point someone gained from any type of exercise, his or her risks of having unusually short telomeres declined significantly.
结果发现其间存在明显的相关性。无论受访者从事了何种类型的运动,他每得一分,端粒长度异常缩短的风险都会显著下降。
Specifically, someone who participated in a single activity, earning them a 1, was about 3 percent less likely to have very short telomeres than someone who didn’t exercise at all
具体而言,如果某人因为参加某一运动而赢得1分,他的端粒特别短的可能性就会比不锻炼的人低3%左右。
That risk declined more substantially if someone exercised more. People who reported two types of exercise were 24 percent less likely to have short telomeres; three types of exercise were 29 percent less likely; and those who had participated in all four types of activities were 59 percent less likely to have very short telomeres.
一个人锻炼得越多,这种风险下降的幅度就越大。报告从事两种运动的人端粒特别短的可能性要降低24%;从事三种运动的人风险降低29%;参与了所有四种运动的人风险降低59%。
Interestingly, these associations were strongest among people between the ages of 40 and 65, the researchers found, suggesting that middle age may be a key time to begin or maintain an exercise program if you wish to keep telomeres from shrinking, says Paul Loprinzi, an assistant professor of health and exercise science at the University of Mississippi. He was a co-author of the study with Jeremy Loenneke, also of the University of Mississippi, and Elizabeth Blackburn, a professor at the University of California, San Francisco, who shared a Nobel Prize in 2009 for the discovery of the molecular nature of telomeres.
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