Fumer 3 cigarettes par jour : quels risques ? Sant Magazine Cigarette lectronique vapoteuse et effets sur la sant Cancer Environnement E cig vapor does not induce genetic mutations associated with cigarette smoke exposure ecancer A new study published in Nicotine & Tobacco Research found that those using e cigarettes alone were more than twice as likely to develop COPD than people who didn't use any tobacco products, Passive exposure to nicotine from e cigarettes ScienceDirect