British American Tobacco's Vuse Becomes Second E Cig to Seek FDA Approval The Motley Fool It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Does vaping cause lung cancer? UT MD Anderson Photos Show Vaping Lung Damage Like Blisters and Lung Collapse Business Insider