Popcorn lung: What is it, and who is at risk? Harvard Health Does vaping cause Popcorn Lung? Vaperite What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Flavored e cigarettes are not harmless. Doctors are now seeing teens with permanent lung damage from vaping. In the U.S., a teenager developed popcorn lung after vaping in secret for three years. This Can Vaping Give You Popcorn Lung? Vapor Shop Direct