Popcorn lung: how vaping could scar your lungs for life Experts show that flavored e cigarettes cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the E cigarettes can result in 'Popcorn Lung' The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times