What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and What You Should Know About E cigarettes and EVALI CASAA How Your Body Absorbs Nicotine: Vapes vs Cigarettes FREESMO UK Predicting the pulmonary effects of long term e cigarette use: are the clouds clearing? European Respiratory Society Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association Circulation