No, Vaping Doesn't Cause Popcorn Lung Let's Set the Record Straight Chemical Concerns: Which Vapes Contain Diacetyl? 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. How Long It Takes For Lungs To Heal From Vaping And Exactly When It Causes Permanent Damage