Is Vaping Giving You Popcorn Lung? 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 I Almost Died:" a Vaping Horror Story American Lung Association Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Tobacco Harm Reduction: Risk Perceptions