Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect Popcorn Lung': Vapers at Risk of Irreversible Disease, Experts Warn : ScienceAlert 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 Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department