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Are alcohol intake and risk for cancer related? In this analysis of long-term follow-up data from the Nurses' Health Study and the Health Professionals Follow-Up Study, researchers quantified risk for cancer across all levels of alcohol consumption in 88,000 women and 48,000 men. Investigators looked in particular at light-to-moderate alcohol intake, defined as <15 g daily for women and <30 g daily for men (in the U.S., a standard drink contains 14 g alcohol).
During follow-up of ≥30 years, 22% of women and 16% of men developed incident cancers. Adjusted for multiple variables (including smoking) and compared with nondrinkers, relative risks for total cancer in women ranged from 1.04 (with light-to-moderate intake) to 1.30 (with heavy intake…