Vapers Beware: Exploring the Threat of Popcorn Lung What is Popcorn Lung? iMaster Health 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. Popcorn lung' may have brought teen close to death after vaping for months Stout Middle School Popcorn Lung: Health Risks and Other Side Effects Surrounding Vaping Minnetonka Breezes