Estrogen alone is effective for reducing breast cancer risk, study finds
Thursday, December 9, 2010 - 09:30
in Health & Medicine
While endogenous estrogen (i.e., estrogen produced by ovaries and by other tissues) does have a well-known carcinogenic impact, hormone replacement therapy (HRT) utilizing estrogen alone (the exogenous estrogen) provides a protective effect in reducing breast cancer risk, according to a new study.