Do Geek Bars Have Diacetyl? EightVape 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 Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 Diacetyl: The Hidden Chemical That Changed Vaping and Food Safety Forever SMOKO E Cigarettes Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360