Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts While vaping is not risk free, it is less harmful than tobacco Our World in Data How Many Teens Using E cigarettes Show Evidence Of Same Toxic Chemicals As Smokers: Study ABC News Australia Dangerous Chemicals In Vapes Listed E cigarettes rated most effective smoking cessation method by new evidence review Medical Update Online E Cigarettes (Vapes) Smoking and Tobacco Use CDC