Breast Cancer Recurrence And Alcohol Consumption: The Life After Breast Cancer Epidemiology study.

Relationship between alcohol consumption and the increased risk of breast cancer has always been assumed, discussed and digested,  but now there is solid data behind this theory. In a study conducted by researchers, Kwan et al*, from the Division of Research, Kaiser Permanente, Oakland, CA; and the University of Utah, Salt Lake City, UT, confirms that;

Consuming three to four alcoholic drinks or more per week after a breast cancer diagnosis may increase risk of breast cancer recurrence, particularly among postmenopausal and overweight/obese women, yet the cardioprotective effects of alcohol on non–breast cancer death were suggested.

The study included 1,897 LACE study participants diagnosed with early-stage breast cancer between 1997 and 2000 and recruited on average 2 years post diagnosis, primarily from the Kaiser Permanente Northern California Cancer Registry. Alcohol consumption (ie, wine, beer, and liquor) was assessed at cohort entry using a food frequency questionnaire. Cox proportional hazards models were used to estimate hazard ratios (HR) and 95% CI with adjustment for known prognostic factors.
The complete article could be found here.
Editorial on the subject of Breast Cancer and Alcohol

* Marilyn L. Kwan,, Lawrence H. Kushi,Erin Weltzien, Emily K. Tam, Adrienne Castillo,Carol Sweeney and Bette J. Caan
Alcohol Consumption and Breast Cancer Recurrence and Survival Among Women With Early-Stage Breast Cancer: The Life After Cancer Epidemiology Study