Largest US study of e cigarettes shows their value as smoking cessation aid Using Vaping to Quit Smoking: A Step by Step Guide CIV Plus 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 How to Quit Vaping: A Practical Guide E cigarettes: helping smokers quit or glamorising a dangerous habit? Vaping The Guardian Vaping may help some smokers quit, small study says UPI.com