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 Vaping could be worse for your health than actual cigarette smoking research claims The Mirror The respiratory epithelium in the era of vaping: insights from in vitro, in vivo and human studies European Respiratory Society Study finds surprising new link between vaping and cancer The Brighter Side of News