U.S.states where more people said they got no physical exercise outside work lost more quality adjusted life years.

VOA: standard.2010.08.10

So I talked about some of "the greatest hits": the importance of gratitude, the importance of physical exercise.

于是我谈到了一些热门话题：,感恩的重要性，体育锻炼的重要性。

哈佛公开课 - 幸福课课程节选

How many people know that three times a week physical exercise,30 minutes each time has the same effect ? as our most powerful psychiatric drugs?

多少人知道，每周三次,体育锻炼，每次三十分钟，与最强劲的精神药物,有同样的效果？

哈佛公开课 - 幸福课课程节选

Health experts advise people who have been physically inactive to have a complete physical exam before beginning a new exercise program.

VOA: special.2011.06.28

The causes of heat stress include wearing heavy clothing, physical work or exercise, hot weather and high humidity.

VOA: special.2011.08.09

A physical therapist can design an individualized exercise program to reduce arthritis pain and support healthy joints.

VOA: special.2010.05.19

He decided to overcome his physical weaknesses through exercise and hard work.

VOA: special.2010.08.05