Reasons for use of e cigarettes Tobacco Use in Canada University of Waterloo Cutting down on nicotine vaping gradually can make quitting easier. This gives your body time to adjust to lower nicotine levels. Check your e liquid's nicotine content (mg ml) and gradually reduce Multiple products, increased risks: dual and poly use of nicotine products Trying to cut back on smoking or vaping? We've got you. Reducing nicotine use is a meaningful goal: whether it's your goal on its own or a stepping stone toward quitting