Alcohol & Breast Cancer

If you’re a health-conscious female who likes alcohol, you may want to reconsider your intake. Why? Haven’t we all heard that alcohol “in moderation” is good for you? This false impression is rooted in misleading wording of the U.S. guidelines, which state that “For women, healthy drinking is defined as up to 1 drink per day, with less being better.”

This directive can easily be misconstrued to suggest that a daily drink―such as 12 oz of beer, 5 oz of wine, or 1.5 oz of distilled spirits―is good for women. It is not. In fact, as of 2026, leading health authorities like the U.S. Surgeon General and the World Health Organization state that there is no safe level of alcohol consumption regarding breast cancer risk.

The reality is that a single daily drink can increase breast cancer risk by up to 10%, which elevates rapidly with heavier consumption. This alcohol-associated hazard impacts both pre- and post-menopausal women, with those on hormones (HRT) facing up to 5 times the breast cancer risk of a non-drinker.