Electronic Cigarettes Clinics in Chest Medicine E liquide sans nicotine 0mg de Nicotine Cigaretteelec Comparison of the chemical composition of aerosols from heated tobacco products, electronic cigarettes and tobacco cigarettes and their toxic impacts on the human bronchial epithelial BEAS 2B cells ScienceDirect 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. Schematic representation of e cig and HTP components. E cigs are Download Scientific Diagram