Study links chronic vaping to progressive lung damage Harvard Gazette Thirdhand Vapor from E cigarettes Damages the Lungs of Mice Thirdhand Smoke Resource Center New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Vaping, e cigarettes linked to 215 cases of severe lung illness in 25 states, including Pa., N.J.