Christopher I Li, Rowan T Chlebowski, Matthew Freiberg, Karen C Johnson, Lewis Kuller, Dorothy Lane, Lawrence Lessin, Mary Jo O'Sullivan, Jean Wactawski-Wende, Shagufta Yasmeen, Ross Prentice
BACKGROUND: Alcohol consumption is a well-established risk factor for breast cancer. This association is thought to be largely hormonally driven, so alcohol use may be more strongly associated with hormonally sensitive breast cancers. Few studies have evaluated how alcohol-related risk varies by breast cancer subtype. METHODS: We assessed the relationship between self-reported alcohol consumption and postmenopausal breast cancer risk among 87 724 women in the Women's Health Initiative Observational Study prospective cohort from 1993 through 1998...
September 22, 2010: Journal of the National Cancer Institute