Curious about the difference between healthy lungs and a vapers lungs? See how vaping impacts your lungs, and why its best to quit early. 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. Comparative Lung Experiment: Vaping vs. Cigarettes To Vape or Not to Vape: The Truth About E cigarettes Lions Talk Science