Doctors have linked vaping to a rare, incurable lung condition called obliterative bronchiolitis, often referred to as popcorn lung. The disease permanently scars and narrows the lungs' airways, causing lifelong breathing problems. Medical Professional Links 'Popcorn Lung' Disease to Vaping Montgomery Community Media GEEKBAR PULSE Makes a Grand Entrance GEEK BAR It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd