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 What Chemicals Does Vaping Cause Popcorn Lung? : R Vaping Is Popcorn Lung Irreversible Can vaping cause popcorn lung as it increasingly affects young adults with urgent warning issued Popcorn Lung': Vapers at Risk of Irreversible Disease, Experts Warn : ScienceAlert Does vaping cause popcorn lung? Cancer Research UK