Not only can exercise help speed up digestion it can also keep you physically fit and emotionally happy.

锻炼不仅可以帮助你加速消化，它还能保持你的身体健康和精神愉悦。

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Taking exercise can not only strengthen your body but also release you from stress.

做运动不仅能帮助你增强体魄还能让你从压力中释放出来。

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As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes.

若你需要另一个讨厌健身房的理由，最近事实证明，运动不仅会使肌肉疲劳，还会让眼睛疲劳。

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Critics of the newer research say that the idea that running can harm the heart is based on research showing only an association meaning that exercise may not be the cause of the problem.

WSJ: Endurance Sports: Studies on Older Endurance Athletes Suggest the Fittest Reap Few Health Benefits