Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Popcorn Lung: A Dangerous Risk of Flavored E Cigarettes American Lung Association Vaping and Popcorn Lung Medicine.com E Cigarettes Vaping with Juul & Other Electronic Cigarettes 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 Does Vaping Cause Lung Cancer? What We Know (and Still Don't)