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A study presented at the American Association of Cancer Research's annual meeting in April 2009 suggests that hormone replacement therapy (HRT) is associated with a significantly lower risk of colorectal cancer. Researchers asked 37,285 women, age 55 to 69, to complete questionnaires on oral contraceptive and HRT use, and analyzed colorectal cancer tumors from 553 of them. The women taking HRT had a 28 percent lower incidence of colorectal cancer than women who didn't take it. No association was found between oral contraceptives and colorectal cancer. The study backs up findings from the Women's Health Initiative, which concluded in 2004 that combination hormone therapy (estrogen and ...