Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department Is Popcorn Lung Caused By Vaping? Vape Mythbusting: Debunking 7 Common Myths Popcorn lung: What is it, and who is at risk? Harvard Health 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