What to Know About Electronic Cigarettes (E Cigarettes) Using Vaping to Quit Smoking: A Step by Step Guide CIV Plus E cigarettes a tool to reduce inequalities in smoking? UCL Institute of Epidemiology and Health Care Blog 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