FAQ : Que faire quand du liquide remonte dans ma cigarette lectronique ? Doctors treating deadly vaping disease face problem: Some patients lie Fact or fiction? Debunking the myths around e cigarettes Pursuit by the University of Melbourne 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.