How To Hit A Vape Pen Without Coughing 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. The Truth About Vaping And Popcorn Lung Inhalation Toxicology Of Vaping Products And Implications For Pulmonary Health Is Vaping Causing Popcorn Lung Australia It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years.