E Cigarette or Vaping Product Use Associated Lung Injury: A Comprehensive Review What Vaping Really Does to Your Lungs University of Utah Health Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. E Cigarettes and Lung Health American Lung Association Mechanisms of E Cigarette Vape Induced Epithelial Cell Damage