A Kernel of Truth: Diacetyl, Popcorn Lung and E Liquids Dinner Lady Popcorn lung: how vaping could scar your lungs for life Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest 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 New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog Does Vaping Cause Popcorn Lung? The Facts Explained