Health effects and known pathology associated with the use of E cigarettes ScienceDirect E cigarettes: Facts, stats and regulations Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is also bad for you. E cigarettes E cigarettes Cancer Council NSW Vaping May Increase Respiratory Disease Risk by More Than 40 Percent SPH A fresh look at tobacco harm reduction: the case for the electronic cigarette Harm Reduction Journal Springer Nature Link