Characterizing the Transient Emission of Particles and Gases from a Single Puff of Electronic Cigarette Smoke Chemical Research in Toxicology 20192020 vaping lung illness outbreak Wikipedia 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. 21 year old hospitalized in what doctor says was 'vaping induced lung injury'