E cigarette 'safety' study was written by industry funded scientists, Lancet warns CONCEPT E CIGARETTES PT's IAS Academy How The E cigarette Works What Is An Electronic Cigarette? TECC Vaping is the act of inhaling a heated, aerosolized substance. It is critical to distinguish vaping from smoking. Smoking is the inhalation of a burned substance. The main difference between the two Electronic Cigarette Vector Illustration On White Stock Vector (Royalty Free) 506393941 Shutterstock