Andee asked this question about How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease:
Soy has been proven to increase breast cancer risk, sometimes substantially...and you say it's exactly the opposite?
Richard That is a great question. The studies are ongoing, but the best evidence to date suggests either no link or a slightly protective effect for whole, un…moreThat is a great question. The studies are ongoing, but the best evidence to date suggests either no link or a slightly protective effect for whole, unprocessed soy consumed in limited quantities (up to 1-2 servings). I wouldn't use the word "proven" for either side of the debate because that simply doesn't acknowledge the research process. I suggest you consult the AICR for further detail, and NutritionFacts.org also summarizes the current available research.

http://www.aicr.org/press/press-relea...

"Some preliminary human studies suggest that soy foods may be most protective among breast cancer survivors who are taking tamoxifen, but this research is ongoing.

For breast cancer risk among cancer-free women, studies on soy consumption either show no link or a slightly protective link to breast cancer. Some research suggests that protective effects may primarily come from consuming soy during childhood and adolescence."(less)
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by Michael Greger (Goodreads Author)
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