Phytoestrogens and vitamin D metabolism: a new concept for the prevention and therapy of colorectal, prostate, and mammary carcinomas.


Epidemiologic studies suggest that nutritional phytoestrogens contained in soy are causally related to protection against hormone-dependent cancers. The incidence of colorectal cancer is at least 30% lower in women than in men in the United States. This suggests that estrogen and, conceivably, nutritional phytoestrogens are protective compounds against… (More)