6 important facts about JUUL Vaping refers to the use of an electronic cigarette, or other vaping device, to breathe in an aerosol, often containing nicotine, flavouring and other chemicals. Unlike cigarette smoking, vaping doesn't burn tobacco. Cell specific toxicity of short term JUUL aerosol exposure to human bronchial epithelial cells and murine macrophages exposed at the airliquid interface Respiratory Research Springer Nature Link JUUL Virginia Tobacco Pods (4) Electric Tobacconist Menthol JUUL 4ct Pods