What's in a vape? All vapes have some form of "E Juice" or "E Liquid", even the disposable vapes. The American Lung Association states chemicals like propylene glycol (a common additive in food; also Ohio and its cities clash in court over flavored tobacco and 'home rule' cleveland.com Guide Cigarette lectronique : Quel taux de nicotine choisir ? Electronic cigarettes and cardiovascular disease: epidemiological and biological links Pflgers Archiv European Journal of Physiology Springer Nature Link