E cigarettes and vaping DrugWise How Do Electronic Cigarettes Work? UPMC HealthBeat E Cigarette How E Cigarettes Work, Health Risks & Teen Use Understanding Electronic Cigarette Tech Quark How Does E cigarette Work? 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