In recent years, those blood samples have been tested for, among other markers of health, telomere length in the participants’ white blood cells.
近年来,研究人员对这些血样进行了化验,检测了参与者白细胞的端粒长度等多种健康标志物。
The researchers gathered the data for about 6,500 of the participants, ranging in age from 20 to 84, and then categorized them into four groups, based on how they had responded to questions about exercise
研究人员收集了约6500名年龄在20岁到84岁的参与者的数据,然后根据他们对运动相关问题的回答,把他们分为四组。
Those questions in this survey tended to be broad, asking people only if, at any time during the past month, they had engaged in weight training, moderate exercise like walking, more vigorous exercise like running, or have walked or ridden a bike to work or school.
这项调查只是笼统地询问了受访者在过去的一个月里是否曾进行过任何负荷训练、或步行等中等强度的运动、或跑步等较为剧烈的运动,又或者曾步行或骑自行车上班或上学。
If a participant answered yes to any of those four questions, he or she earned a point from the researchers. So, someone who reported walking received a point. If he also ran, he earned another, and so on, for a maximum of four points.
在上述四个问题中,参与者的每一个肯定回答都会被研究人员计一分。因此,报告曾经步行过的人可以得一分。如果他还跑步了,就能再得一分,依此类推,最多可以得四分。
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