Composition E Liquide Tout savoir Blu Health Effects of E Cigarettes Kansas Health Institute VAPING VS. SMOKING Both smoking and vaping have side effects and risks. The long term health effects of electronic cigarettes (e cigarettes) are not fully understood, but the science indicates they are not a Vaping and the use of e cigarettes are likely to cause cancer, according to a new study published by the University of New South Wales on 30 March. The study, which brought together