This is the first study to investigate the effect of exercise during treatment.

这首次探讨了运动在乳腺癌治疗过程中的作用。

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Objective:The purpose of the article is to observe the effect of exercise on BMD in old women.

目的：探索长期健身锻炼对老年妇女骨密度的影响及其可能的机理。

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However, little research has been designed to investigate the effect of exercise on feelings of anger.

然而，很少有研究探讨运动对愤怒的影响。

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To reduce or avoid it, researchers have examined the effect of smoking,diet, brain-challenging games, exercise and other strategies.

VOA: standard.2010.06.17

As for the effect of exercise on work productivity, there is no evidence connecting the two and we cannot know if exercise itself helps to enhance work productivity.

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John Walsh, a professor of gerontology at USC, studies the effect of intense exercise on brain development.

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The main side effect of the diet and exercise approach was an increase in muscle aches and and arthritis.

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