A growing body of research now links vaping to a rare and incurable condition called bronchiolitis obliterans, commonly known as popcorn lung. The disease causes permanent scarring of the small airways in Vaping: From Nicotine To Marijuana Drug Free America Foundation It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd Frontiers Review of quantitative and functional lung imaging evidence of vaping related lung injury