Vaping is not replacing smoking. It is often added to it. This is called dual use. Nearly half of e cigarette users still smoke cigarettes. What this means: Smoking continues alongside vaping E cigarettes to quit smoking? They're as good as nicotine patches Los Angeles Times Did you know that e cigarettes are tobacco products and that the U.S. Food and Drug Administration has not found any e cigarette to be safe and effective in helping smokers quit? Quitting means How E Cigarettes Affect Your Body E Cigarettes Help Smokers Quit, Review Finds Vaping To Quit Smoking? All Your Questions Answered!