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 cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies What to Know About Electronic Cigarettes (E Cigarettes) Breaking the Smoking Habit: Using E Cigarettes as a Tool for Smoking Cessation in Denver N1 Vapeshop in DENVER AURORA COLORADO