Electronic cigarette Wikipedia 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 E Cigarettes Public Health Law Center E Cigs Are Still Flooding the US, Addicting Teens With Higher Nicotine Doses KFF Health News E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA