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 Ministry warns of vaping product over chemical linked to 'popcorn lung' NZ Herald Is Diacetyl in Vapes? Crystal Vape & Crystal Bar & SKE Vape Official Station Which brands contain diacetyl in their vape juices? Knowledge Kaiweili Digital Technology Is There Diacetyl in Vapes? A Guide to Vape Safety in Canada