http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. As soon as women quit hormone therapy, their rates of new breast cancer decline, supporting the hypothesis that stopping hormones can lead to tumor regression, according to a report e-published in Cancer Epidemiology, Biomarkers, & Prevention. http://medicalxpress.com/news/2012-02-hormones-breast-cancer-regress.html Cancer Tue, 28 Feb 2012 15:43:17 EST news249666192 Researchers have identified a new protein involved in the development of drug resistance in breast cancer which could be a target for new treatments, they report today in the journal Nature Medicine. http://medicalxpress.com/news/2011-05-scientists-drug-breast-cancer.html Cancer Sun, 22 May 2011 13:00:22 EST news225287182