What is Popcorn Lung and Can Vaping Cause It? Health BeatHealth Beat Ontario teen's vaping injury consistent with 'popcorn lung,' study suggests CBC News E cigarette health scare: Danger chemicals in liquid nicotine could cause 'popcorn lung', scientists warn The Mirror 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. It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd