No, Vaping Doesn't Cause Popcorn Lung Let's Set the Record Straight 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. Diacetyl & Popcorn Lung EDGE Vaping Are Geek Bars Dangerous & Are There Alternatives? Essentia Pura