一项新的研究发现，在心脏病发作后服用蓝色小药丸（Viagra，伟哥）的男性在心脏病发作后可以存活数年，而不会出现进一步的心脏并发症。服用伟哥（Viagra）的频率越高，对心脏问题的保护作用就越大。

根据发表在美国心脏病学院杂志上的研究，伟哥在延长寿命和降低再次心脏病发作的风险方面比前列地尔（alprostadil，另一种ED药物）效果更好。

伟哥是通过放松肌肉和动脉来治疗勃起功能障碍（ED）或肺部高血压，可使血液可以更好地流动。对于ED来说，阴茎中更好的血液流动有助于男性勃起。

影响三分之一男性的ED可能是心血管疾病的早期征兆。危险因素包括缺乏运动、肥胖、高血压和代谢综合征。

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