Cancer Diary: Alcohol and Cancer - What We Know Now
For years, alcohol carried a kind of health halo — especially red wine. But modern cancer research has stripped away the romance and left us with a clear, uncomfortable truth: alcohol is a carcinogen , full stop. Not just hard liquor. Not just “heavy drinking.” Any drink containing ethanol — beer, wine, cocktails — increases cancer risk. Why alcohol raises cancer risk When the body breaks down alcohol, it produces acetaldehyde , a toxic compound that: damages DNA interferes with DNA repair promotes inflammation disrupts hormone regulation (especially estrogen) Over time, these changes increase the likelihood that damaged cells will become cancerous. Which cancers are linked to alcohol? The list is longer than most people realize. Strong evidence connects alcohol to: Breast cancer (even at low levels) Colorectal cancer Liver cancer Esophageal cancer Head and neck cancers Stomach cancer (emerging evidence) There is no safe threshold . Even one drink a day nudges...