While researchers have long asserted a strong link between alcohol and cancer, some are now doubling down on that claim. In the journal Addiction, Jennie Connor, a professor at the University of Otago in New Zealand, concludes that alcohol “causes cancer” in seven areas in the body, including the liver, colon, and female breast. Based on years of data, the review is in line with the International Agency for Research on Cancer, which found that even light drinking, defined as consuming fewer than two drinks a day, can increase a woman’s breast cancer risk, in part because alcohol boosts hormones. Most doctors agree that women should limit drinking to 5 oz of wine, 12 oz of beer, or 1.5 oz of liquor per day.
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