Popcorn lung: how vaping could scar your lungs for life Popcorn Lung: Is Vaping Worth It? Warfighter Wellness What is Popcorn Lung? Dangers of Electronic Cigarettes & Vaping Is There A Link Between E Cigarette Use And 'Popcorn Lung'? 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,