Dense breasts, hormone levels are 2 separate, independent risk factors for breast cancer

The density of a woman’s breast tissue and her level of sex hormones are two strong and independent risk factors for breast cancer, according to a team of researchers from Harvard and Georgetown universities. The finding dispels the common belief that the risk associated with dense breasts merely reflects the same risk associated with high levels of circulating sex hormones, they say.

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<p><a href="http://www.physorg.com/news106834491.html">Dense breasts, hormone levels are 2 separate, independent risk factors for breast cancer</a></p> <p>The density of a woman’s breast tissue and her level of sex hormones are two strong and independent risk factors for breast cancer, according to a team of researchers from Harvard and Georgetown universities. The finding dispels the common belief that the risk associated with dense breasts merely reflects the same risk associated with high levels of circulating sex hormones, they say.</p>