肥胖、吸烟、身体缺乏活动、高血压和高胆固醇是这项研究确定的一些罪魁祸首。

Obesity, smoking, lack of physical activity, high blood pressure, and high cholesterol are some of the culprits this study identified.

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睡眠不足，压力山大，还有紧张的人际关系，常常都是过度工作和缺乏活动造成的。

Lack of sleep, high stress levels, and strained relationships often result from too much work and too little play.

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缺乏活动的人在开始时应做少量的身体活动，并随时间逐步增加活动时间、频率和强度。

Inactive people should start with small amounts of physical activity and gradually increase duration, frequency and intensity over time.

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For the course's website, help@cs net there'll be support forms and an email address, help@cs50.net, that you can turn to and frankly this is more a commentary on our lack of social lives during the term.

对于课程网站，我们有支持表格和邮箱地址，有什么问题可以求助去它,这更像是在评论我们的学习生活太缺乏社交活动。

哈佛公开课 - 计算机科学课程节选