Oral contraceptive use associated with increased risk of breast cancer

Investigators from the Slone Epidemiology Centre at Boston University School of Medicine (BUSM) have reported that African American women who use oral contraceptives have a greater likelihood of developing breast cancer than nonusers. The study results, recently published on-line in Cancer Epidemiology Biomarkers and Prevention, were based on data from the Black Women's Health Study (BWHS), a large follow-up study of 59,000 African American women from across the U.S. conducted by investigators at the Slone Epidemiology Centre since 1995...

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