有些人发胖是因为得了慢性病，但大多数人都是由于生活习惯所致：比如节食和锻炼，或者缺乏饮食控制和运动。
Some people become obese due to chronic health issues, but for most it's more a result of lifestyle. choices: diet and exercise, or lack of it.
他们参与的这项研究目的在于帮助科学家揭露慢性病的基因基础，或许它还能发现有些人更长寿的原因。
The goal of the study they are participating in is to help scientists uncover the genetic roots of chronic disease and, perhaps, to find out why some people live longer than others.
我们有些同志主观愿望是好的，但是患急性病，因此领导上要经常防止急性玻。
Some of our comrades have good intentions, but unfortunately they are impetuous in their work. Therefore, leaders should always guard against impetuosity.
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