Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association A recent case involving a U.S. teenager who developed Bronchiolitis Obliterans, commonly called popcorn lung, after three years of secretly vaping has raised serious concerns about the risks of e cigarettes. This irreversible E Cigarettes at the Point of Sale Counter Tobacco 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 No, Vaping Doesn't Cause Popcorn Lung Let's Set the Record Straight