Popcorn Lung: What are the dangers of e cigarettes? What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping and lung disease health risk as a person exhaling steam smoke or vapour shaped as human lungs from an electronic cigarette in a 3D illustration Stock Photo Alamy The Toxic Chemical Causing Lung Disease Among Both Workers Making and Users Vaping E Cigarettes In These Times Vaping increases risk of lung disease by a third, U.S. study suggests CBC News