Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Popcorn lunge Vape Is it True That Vaping Can Cause Popcorn Lung? Freeman Vape 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. Can vaping damage your lungs? What we do (and don't) know Harvard Health