结论还不完全明确，但倾向于认为适量吃没有关系。wiki里的信息：

http://en.wikipedia.org/wiki/Soybean#Health_risks

Because of the phytoestrogen content, some studies have suggested that soybean ingestion may influence testosterone levels in men. However, a 2010 meta-analysis of 15 placebo controlled studies showed that neither soy foods nor isoflavone supplements alter measures of bioavailable testosterone or estrogen concentrations in men.^[103] It has been hypothesized that soy foods and enterolactone may increase the development of prostate cancer although no significant associations were observed for the soy isoflavones.^[104] Furthermore, soy consumption has been shown to have no effect on the levels and quality of sperm.^[105] A 2009 meta-analysis of the research on the association between soy consumption and prostate cancer risk in men concluded that "consumption of soy foods is associated with a reduction in prostate cancer risk in men."^[106]

所有跟帖： 

• 这个说法很客观。作为食物，不偏食就不会有大碍。 -wbnryb- ♂ (0 bytes) () 10/30/2011 postreply 16:36:19