A Silent Killer in Plain Sight: The Unspoken Risk of Lung Cancer in Nonsmokers Lung cancer has long been associated with tobacco smoke, but recent research highlights a genetic mutation known as EGFR T790M that may be responsible for up to 20% of lung cancer cases among nonsmokers.
This mutation raises crucial questions about the role of genetics in this deadly disease.
The findings are not surprising given what is known about the complex interplay between genetics and environment in driving cancer incidence.