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Georges El Nahas Ph.D., M.P.H.

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  • Assistant Professor
  • College of Medicine
  • Psychiatry and Behavioral Sciences
Academic Focus
  • Design and analysis of epidemiological studies
  • International tobacco-control policy
  • Clinical trials in smoking-cessation and population health
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Ph.D., Epidemiology, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, 2014

M.P.H., Epidemiology and Biostatistics, Department of Epidemiology and Population Health, American University of Beirut, 2009

Maitrise, Animal Biological Sciences, Faculty of Sciences, Division of Biological Sciences, Lebanese University, 2007


Selected Publications:

Nahhas GJ, Wilson D, Talbot V, Cartmell KB, Warren GW, Toll BA, Carpenter MJ, Cummings KM. Feasibility of Implementing a Hospital-Based “Opt-Out” Tobacco-Cessation Service. Nicotine & Tobacco Research. 2016 Dec 29:ntw312.

Nahhas GJ, Cummings KM, Talbot V, Carpenter MJ, Toll BA, Warrant GW. Who opted out of an ‘opt-out’ smoking-cessation program for hospitalized patients? Journal of Smoking Cessation, pp. 1–6. doi: 10.1017/jsc.2016.20.

Buchanan C, Nahhas GJ, Guille C, Cummings KM, Wheeler C, McClure EA. Tobacco Use Prevalence and Outcomes Among Perinatal Patients Assessed Through an “Opt-out” Cessation and Follow-Up Clinical Program. Maternal and Child Health Journal. 2017 Sep 1;21(9):1790-7.

Cartmell KB, Dooley M, Mueller M, Nahhas GJ, Dismuke CE, Warren GW, Talbot V, Cummings KM. Effect of an Evidence-based Inpatient Tobacco Dependence Treatment Service on 30-, 90-, and 180-Day Hospital Readmission Rates. Medical Care. 2018 Apr; 56 (4): 358-363.

Heckman BW, Cummings KM, Nahhas GJ, Willemsen MC, O’Connor RJ, Borland R, Hirsch AA, Carpenter MJ. Behavioral economic purchase tasks to estimate demand and predict future use of novel tobacco products: Evidence from the Netherlands. Nicotine & Tobacco Research. 2018 Mar 14.

Chaaya M, Alameddine M, Nakkash R, Afifi R, Khalil J, Nahhas G. Students’ attitude and smoking behavior following the implementation a university smoke-free policy: a cross sectional study. BMJ Open. 2013 Apr 11;3(4).