Exercise in general, and running in particular, helps to ward off disability in old age and may even extend life, according to a study that has taken more than 20 years to complete.

一项耗时20多年才完成的研究显示，总体而言运动，尤其是跑步，有助于防止老年能力丧失，甚至可能延长寿命。

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The patient is in a coma and on a tight-rope between complete recovery and severe mental disability.

病人处在昏迷中，完全康复和严重丧失智力都有可能。

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Eliminating all fraud within programs like SSDI may be impossible, and reasonable people can disagree about when a case reaches the threshold of complete disability.

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Even a matter of hours can make the difference between complete recovery, disability and even death.

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The Race2Recovery team is hoping to become the first disability team to complete the challenge, which takes in around 9, 000 kilometers of extreme mountain and desert terrain.

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