Nutrition & Diet

Daily Processed Meat Raises Colorectal Cancer Risk by 18% — Here's What That Actually Means

Processed meat — bacon, ham, hot dogs, sausage, lunch meat — is classified as a Group 1 carcinogen by the World Health Organization's cancer research arm. Eating just one serving daily (about 50 grams) raises colorectal cancer risk by 18%. In absolute terms, that shifts lifetime risk from roughly 5% to 6%, but across the U.S. population that translates to approximately 25,000 extra colorectal cancer cases per year. Colorectal cancer is the second leading cause of cancer death in the U.S. for men and women combined. Notably, the increased risk from daily processed meat consumption is comparable to the lung cancer risk from living with a smoker. The key message: a single dietary swap — replacing daily processed meat with plant-based alternatives — could meaningfully reduce personal and population-level cancer burden.