Stop Smoking E Cigarettes CardioSmart American College of Cardiology General mechanisms of action by which inhalation of e cigarettes' Download Scientific Diagram E cigarette use increases risk for developing major respiratory diseases Experts warn that flavored e cigarettes can cause irreversible lung damage, as seen in a U.S. teenager who developed "popcorn lung"a severe and permanent condition called bronchiolitis obliteransafter secretly vaping for three years.