Vaping harms your health Cancer Institute NSW 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 Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Popcorn Lung and Vaping: Debunking the Myths Asia Harm Reduction Alliance