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 Understanding Popcorn Lung and Diacetyl: Risks and Prevention Vapestore Blog Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 Diacetyl In Vape: What You Need To Know Shisha Vibe Does Diacetyl In Vaping Cause Popcorn Lung? SMOKO E Cigarettes