Up in Vapor American Physiological Society Cigarettes Vs. Vaping: That's The 'Wrong Comparison,' Says Inhalation Researcher KFF Health News Vaping likely has dangers that could take years for scientists to even know about E cigarettes, or vapes, use a battery to heat a liquid containing nicotine and other substances into an aerosol. Vaping is the inhalation of this product. So, why should you avoid them? In Liquide cigarette lectronique Carte d'e liquides par Vaping Silver