Nearly 40% of cancers worldwide linked to preventable causes

A global analysis covering 36 cancer types in 185 countries estimated 18.7 million new cancer cases in 2022 (excluding non‑melanoma skin cancers); about 7.1 million—roughly 37.8%—were associated with 30 modifiable risk factors. The study’s scope and headline figures have been reported widely and underscore the scale of potentially preventable disease (coverage and context).