The prevalence and trends of waterpipe tobacco smoking: A systematic review The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Jawad, Mohammed, Rana Charide, Reem Waziry, Andrea Darzi, Rami A. Ballout, and Elie A. Akl. 2018. “The prevalence and trends of waterpipe tobacco smoking: A systematic review.” PLoS ONE 13 (2): e0192191. doi:10.1371/journal.pone.0192191. http:// dx.doi.org/10.1371/journal.pone.0192191. Published Version doi:10.1371/journal.pone.0192191 Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:35015053 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA RESEARCH ARTICLE The prevalence and trends of waterpipe tobacco smoking: A systematic review Mohammed Jawad1*, Rana Charide2, Reem Waziry3,4, Andrea Darzi5, Rami A. Ballout6, Elie A. Akl2,7,8 1 Public Health Policy Evaluation Unit, Imperial College London, London, United Kingdom, 2 Clinical Research Institute, American University of Beirut, Beirut, Lebanon, 3 Department of Epidemiology Harvard T. H. Chan School of Public Health, Boston, Massachusetts, United States of America, 4 Faculty of Health Sciences, American University of Beirut, Beirut, Lebanon, 5 AUB GRADE Center, Clinical Research Institute, American University of Beirut, Beirut, Lebanon, 6 Faculty of Medicine, American University of Beirut, Beirut, Lebanon, 7 Department of Internal Medicine, American University of Beirut, Beirut, Lebanon, 8 Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada *
[email protected] a1111111111 a1111111111 a1111111111 a1111111111 Abstract a1111111111 Introduction Waterpipe tobacco smoking is harmful to health however its prevalence estimates remain OPEN ACCESS uncertain.