Mode d'emploi Kit Ego Aio Joyetech The Toxic Chemical Causing Lung Disease Among Both Workers Making and Users Vaping E Cigarettes In These Times 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. 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 Broad range of studies show e cigs increase lung disease risk by 40 50% Stanton Glantz blog Severe Pulmonary Disease Associated with Electronic CigaretteProduct Use Interim Guidance MMWR