Does Vaping Cause Popcorn Lung? Africa Harm Reduction Alliance NBC News The FDA announces its first authorization of fruit flavored e cigarettes intended for adult smokers. This major policy shift comes as teen Instagram The Promise of Vaping and the Rise of Juul The New Yorker What's in an E Cigarette? American Lung Association 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.