Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts Read "Public Health Consequences of E Cigarettes" at NAP.edu Are E Cigarettes the Right Choice? SiOWfa15: Science in Our World: Certainty and Controversy E cigarettes can help people quit smoking but may be gateway for non smokers, studies suggest ABC News Association between prolonged dual use of cigarettes and E cigarettes and psychosocial factors among U.S. Smokers: Secondary data analysis from the 2013 to 2019 PATH study ScienceDirect