"The perceived exertion, your own sense of how hard you're working is a much more reliable of exercise intensity," said Matt Fitzgerald, senior editor of Competitor group.

“运动自觉量，即你对自己运动强度的自我感觉往往更为可靠，”赛事组资深编辑Matt Fitzgerald说道。

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To learn more about how exercise affects the brain, scientists in Ireland recently asked a group of sedentary male college students to take part in a memory test followed by strenuous exercise.

为研究运动如何影响大脑，最近爱尔兰科学家们邀请一组久坐不运动的大学男生参加一项实验，先进行一场干劲十足的运动，再参加记忆力测试。

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They accumulated more exercise time each week than the long-bout group.

在一周里积累的锻炼时间更长。

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We estimate a million men aged over 35 in England and Wales need to get more exercise if their age group is to be as active as younger men.

BBC: Too many men 'unconcerned' about weight health risks

But Miller, now 65, a former hospital food-service director in West Virginia, discovered a lifesaver--not more drugs but a program of daily exercise, stress reduction, group support and a diet very low in fat and high in vegetables and whole grains.

FORBES: Just Say No

People from South Asia are more likely to exercise if it can be done as part of a group, according to research by a Stirling University scientist.

BBC: Stirling study says South Asians prefer group exercise