Popcorn lung. Vaping lung injury. Let's stop confusing the two. Popcorn lung is the lazy name for bronchiolitis obliteransa disease of the small airways, not the alveoli. It got its name from The Impact of E Cigarettes and Asthma: What You Need to Know Popcorn lung" is the nickname for bronchiolitis obliterans. It is a condition that damages your lungs' smallest airways and makes you cough and feel short of breath. It's sometimes caused by breathing Popcorn Lung A Hidden Danger of Vaping , We are now seeing a serious lung disease called Popcorn Lung (Bronchiolitis Obliterans) in some young people using e cigarettes and flavored vapes.,