Studies in monkeys and women suggest that unlike traditional estrogen therapy, a diet high in the natural plant estrogens found in soy does not increase the risk of uterine cancer in postmenopausal women, according to Mark Cline, D.V.M., Ph.D., an associate professor of comparative medicine at Wake Forest University Baptist Medical Center.
"These findings give us some confidence that dietary soy doesnt promote uterine cancer and, in fact, may offer a protective effect in some cases," said Cline, who summarized the research studies today in Chicago at the 6th International Symposium on the Role of Soy in Preventing and Treating Chronic Disease.
Cline said there has been much debate about whether high levels of dietary soy are safe for postmenopausal women. Soy products are sometimes sold as a natural alternative to traditional estrogen therapy, which does increase the risk of endometrial cancer. The formulation of hormone therapy designed to address that risk – a combination of estrogen and progesterone –has been shown to increase risk of breast cancer.
Karen Richardson | EurekAlert!
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