Why do ‘never-smokers’ get lung cancer? In some cases, rare genetic variant may be a factor Researchers say study of huge dataset ties variant, more common in Southern Appalachia, to increased risk

https://www.statnews.com/2026/09/17/rare-gene-variant-boosts-lung-cancer-risk-25-fold-in-non-smokers/ By Andrew JosephSept. 17, 2026 Europe Correspondent