A Kernel of Truth: Diacetyl, Popcorn Lung and E Liquids Dinner Lady 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 Ah yesvaping studies saying they contain diacetyl. : r Vaping How to Recognize When Your Breeze Disposable Vape is About to End? Vape Papa Breeze Pro Disposable Vape Wholesale The Vapor Supplier