Electronic cigarette use and smoking cessation in cohort studies and randomized trials: A systematic review and meta analysis Recommandations sur les interventions de cessation tabagique pour les adultes au Canada CMAJ A systematic review and meta analysis of the association between e cigarette use among non tobacco users and initiating smoking of combustible cigarettes Harm Reduction Journal Springer Nature Link While vaping is not risk free, it is less harmful than tobacco Our World in Data Systematic Review and Critical Analysis of Longitudinal Studies Assessing Effect of E Cigarettes on Cigarette Initiation among Adolescent Never Smokers Revue de presse l'occasion du Mois de la vape