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: A Dangerous Risk of Flavored E Cigarettes American Lung Association Does Vaping Cause Popcorn Lung? The Facts Explained The Impact of Vaping on Lung Health: What You Need to Know Dr. Syed Arshad Husain Pulmonologist Dubai