Understanding Popcorn Lung: Risks of Vaping 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 Popcorn Lung and Vaping: Debunking the Myths Asia Harm Reduction Alliance Frontiers Review of quantitative and functional lung imaging evidence of vaping related lung injury