Wednesday, July 25, 2007

Soy isoflavones may cut risk of prostate cancer by 58 per cent

Soy isoflavones may halve prostate cancer risk 7/25/07 "...increased intake of the soy isoflavones genistein and daidzein and their aglycones was significantly associated with a decreased risk of prostate cancer. The highest average isoflavone intake (89.9 mg/d) was associated with a 58 per cent reduction in risk compared with the lowest average isoflavone intake (less than 30.5 mg/d)...earlier study linking isoflavones to potential protection from prostate cancer stated that the benefits could be due to the weak oestrogenic activity of soy isoflavones, which may act to reduce testosterone levels and inhibit 5 alpha-reductase - an enzyme involved in the metabolism of testosterone..."

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