A Kernel of Truth: Diacetyl, Popcorn Lung and E Liquids Dinner Lady How do I figure out if my vape juice contains diacetyl or not? : r Vaping Is There Diacetyl in Vapes? A Guide to Vape Safety in Canada 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 Ah yesvaping studies saying they contain diacetyl. : r Vaping