How Do Electronic Cigarettes Work? UPMC HealthBeat Links to E Cigarette Resources American Lung Association What's in an E Cigarette? American Lung Association News What Are the Different Types of Vape Device? FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims What are e cigarettes and the controversies that surround them? On Medicine