Science study: rare inherited EGFR T790M mutation raises lung cancer risk in never-smokers

gharik · x · 2026-09-21

A new Science study finds a rare inherited EGFR T790M mutation may significantly increase lung cancer risk among people who have never smoked. By tracing the ancestry of carriers, researchers uncovered a shared genetic legacy hundreds of years old, concentrated in the southeastern United States. The research was supported by Dana-Farber, 23andMe, and the Susan Wojcicki Foundation.

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