内容简介四肢血管疾患中最常见的疾病之一。主要原因是由于先天性血管壁膜比较薄弱或长时间维持相同姿势很少改变，血液蓄积下肢，在日积月累的情况下破坏静脉瓣膜而产生静脉压过高，使血管产生突出皮肤表面的症状。以女性多见，妊娠可诱发或加重静脉曲张。作者简介作者戴尔·沃勒在圣路易斯长大，现居匹兹堡。他曾在海军服役，目前是一名核能工程师，写作是他的兼职工作之一。他自2013年开始出版创作，至今已有百本涉及人文社科领域各类话题的作品与读者见面。
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