Heavy smokers were 50 per cent more likely to develop erectile dysfunction than non-smokers.

经常吸烟的人较非吸烟者多50%机会患上不举。

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Although erectile dysfunction can be a sign of underlying illness, in a man under 40 it is much more likely to be related to performance anxiety.

虽然，男性性功能低下可能是潜在疾病的预兆，但是四十岁以下的男人性功能不佳更多地可能和他的焦虑有关。

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Methods: 89 cases of erectile dysfunction were randomly divided into treatment group and control group, 46 cases in which treatment and control group of 43 patients.

方法：将89例阳痿患者随机分为治疗组和对照组，其中治疗组46例，对照组43例。

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