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. What are the respiratory effects of e cigarettes? The BMJ Vaping and Popcorn Lung: Separating Fact from Fiction Medic Pro E cigarette, or vaping, product use associated lung injury in a Download Scientific Diagram