How can soy foods have it both ways, pro-estrogenic effects in some organs (protecting bones and reducing hot flash symptoms) but anti-estrogenic effects in others (protecting against breast and endometrial cancer)?

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But what if you’re at high risk for breast cancer? See BRCA Breast Cancer Genes and Soy (http://nutritionfacts.org/video/brca-breast-cancer-genes-and-soy/).

But what if you have breast cancer already? See Breast Cancer Survival and Soy (http://nutritionfacts.org/video/breast-cancer-survival-and-soy/).

What about genetically modified soy? See GMO Soy and Breast Cancer (http://nutritionfacts.org/video/gmo-soy-and-breast-cancer/).

Not all phytoestrogens are beneficial, though. See What are the Effects of the Hops Phytoestrogen in Beer? (http://nutritionfacts.org/video/what-are-the-effects-of-the-hops-phytoestrogen-in-beer/)

How deleterious is hormone replacement therapy? See my video How Did Doctors Not Know About the Risks of Hormone Therapy? (http://nutritionfacts.org/video/how-did-doctors-not-know-about-the-risks-of-hormone-therapy/)

Synthetic estrogens used in livestock are also a concern. Check out Zeranol Use in Meat and Breast Cancer (http://nutritionfacts.org/video/zeranol-use-in-meat-and-breast-cancer/)

Have a question about this video? Leave it in the comment section at http://nutritionfacts.org/video/who-shouldnt-eat-soy and someone on the NutritionFacts.org team will try to answer it.


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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

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