Chemical Concerns: Which Vapes Contain Diacetyl? Experts show that flavored e cigarettes 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, the Diacetyl & Popcorn Lung EDGE Vaping You Die From Does Vaping Cause Popcorn Lung? UK Vape Guide Can Geek Bars Cause Popcorn Lungs Symptoms It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Fact Check: Did Vaping Cause a Man's Collapsed Lung? Vaping360