Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Experts say that flavored e cigarettes can cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, Popcorn Lung: The Deadly Vape Linked Disease Teens Need to Know About Bronchiolitis obliterans, commonly known as 'popcorn lung', is an inflammatory lung disease that can cause dry cough, shortness of breath, and wheezing. So how does it get its name? 'Popcorn lung' Popcorn Lunge durch Vapes? Symptome, Risiko & Fakten House of Vape Vaper Lunge Popcorn Lunge: Mythos oder Wahrheit?