Pourquoi ma cigarette lectronique chauffe ? Largest US study of e cigarettes shows their value as smoking cessation aid 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 to quit smoking? They're as good as nicotine patches Los Angeles Times What Happens When You Quit Smoking and Start Vaping?