Community Request Diacetyl Center for Research on Ingredient Safety Did you know some flavored vapes contain diacetyl, a chemical linked to popcorn lunga rare, irreversible lung disease? It scars the small airways, making it hard to breathe. Symptoms can mimic Ministry warns of vaping product over chemical linked to 'popcorn lung' NZ Herald What is Popcorn Lung? Popcorn Lung is a serious, permanent lung disease caused by inhaling harmful chemicals like diacetyl, sometimes found in flavored vapes. Tips for Parents & Caregivers: Talk Vape Juice What Vapes Contain Diacetyl? Expert Insights & Safety Diacetyl Free Vape Brands