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. E cigarette & Vaping SCIREQ Scientific Respiratory Equipment 20192020 vaping lung illness outbreak Wikipedia Vaping harms your health Cancer Institute NSW 10 Strategies Big Tobacco and E Cigarette Companies Use to Target Kids American Lung Association