New lung imaging is adding urgency to an issue that health experts have been warning about for years: vaping is not harmless especially for teens. Doctors are now reporting scans that Popcorn lung: Causes, symptoms, and treatment Popcorn lunge Vape What Is Popcorn Lung and Why Is It Being Discussed? Popcorn lunge Vape Truth Behind Vaping and Popcorn Lung Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest Does Vaping Lead to Smoking?