e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog Respiratory Impact of Electronic Cigarettes and Low Risk Tobacco 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. How Smoking vs Vaping Affects Your Lungs You Must See This ! !