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: Causes, symptoms, and treatment Ontario teen's vaping injury consistent with 'popcorn lung,' study suggests CBC News Doctors just announced that vaping has been conclusively linked to permanent lung disease. And sadly, many teens have already been diagnosed. learn more https: theconversation.com popcorn lung how vaping could scar your lungs for life 254414 Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients Is Popcorn Lung Caused By Vaping?