Processed meat — bacon, sausages, hot dogs, deli meats, ham, pepperoni, salami — is one of only a handful of foods classified as a Group 1 carcinogen by the World Health Organization. This classification — the same category as tobacco smoking and asbestos — means the evidence linking it to cancer is sufficient to be certain, not merely suggestive. Beyond cancer, processed meat's effects on cardiovascular health, gut microbiome, and inflammation are well-documented and significant. Here's what 30 days without it actually does to your body.
2026/07/28