Can green tea or soy reduce risk of breast cancer?

What about the estrogen in green tea and soy for increasing breast lumps?  My GP has told me not to drink green tea.

Green tea does not contain any estrogen. In fact, some research has suggested that it may actually help in estrogen metabolism and reduce reduce risk of  breast cancer.

Soy contains isoflavones which are known as phytoestrogens because they can bind to estrogen receptors and exert weak estrogenic effects. Soy foods have been shown in studies to offer many health benefits including providing protection against osteoporosis (increasing bone density), reducing risk of heart disease with beneficial effects on cholesterol, platelets and blood vessels, and relieving menopause symptoms.

According to most human research, eating whole soy foods does not increase risk of breast or endometrial cancer in postmenopausal women, and may even be protective.  There is also some evidence that soy may be beneficial for cyclic breast pain and improve fibrocystic breast conditions.

However, consuming purified soy products and supplements is a different matter. A study published in Carcinogenesis suggests that not only is the cancer-preventive ability of soy foods markedly reduced in highly purified soy products and supplements, but that such processed foods can stimulate the growth of pre-existing estrogen-dependent breast tumors.

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About Sherry Torkos

Sherry Torkos is a pharmacist, author, certified fitness instructor, and health enthusiast who enjoys sharing her passion with others. Sherry graduated with honors from the Philadelphia College of Pharmacy and Science in 1992. Since that time she has been practicing holistic pharmacy in the Niagara area. Her philosophy of practice is to integrate conventional and complementary therapies to optimize health and prevent disease. Sherry has won several national pharmacy awards for providing excellence in patient care. As a leading health expert, Sherry has delivered hundreds of lectures to medical professionals and the public. She is frequently interviewed on radio and TV talk shows throughout North America and abroad. Sherry has authored fourteen books & booklets, including The Glycemic Index Made Simple and Breaking the Age Barrier. Her most recent book, The Canadian Encyclopedia of Natural Medicine has become a national best-seller. For more information, visit: www.sherrytorkos.com

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