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., 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 Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Does Vaping Cause Lung Cancer?