Prof. Nehama Lewis-Persky


Research Interests: Health communication, persuasion, message effects, campaigns.

Tel.: 04-8249283


Room: Rabin Complex 9305

CV for download

Google Scholar


Lewis, N., & Martinez, L (Accepted). Information scanning impacts nonmedical drug use among college students: A longitudinal study of scanning effects. Health Communication.

Lewis, N., Connelly, Y., Henkin, G., Leibovich, M., & Akavia, A. (Accepted). Exploring factors that affect the adoption of advanced cryptographic techniques for data protection of patient medical records. Healthcare Informatics Research.

Sznitman, S., & Lewis, N. (2022). Israeli News media coverage of COVID-19 and use of cannabis and tobacco: A case study of inconsistent risk communication, International Journal of Drug Policy.

Lewis, N., Rossman, C., de Bruijn, G-J, & Martinez, L. S. (2022). Dual Process Models and Information Engagement: Testing Effects of Seeking, Scanning and Trust in Sources on Attitudes toward Marijuana. Journal of Communication, 72, 59-82.

Lewis, N., & Sznitman, S. (2022). Too much information? Excessive media use, maladaptive coping, and increases in problematic cannabis use during the COVID-19 pandemic. Journal of Psychoactive Drugs.

Sznitman, S., Rosenberg, D., & Lewis, N. (2021): Are COVID-19 health-related and socioeconomic stressors associated with increases in cannabis use in individuals who use cannabis for recreational purposes? Substance Abuse.

Lewis, N., & Eliash, H. (2020). Exposure to Risk Information Detail (RID) in News Coverage of Anorexia Increases Self-Efficacy to Perform Risky Behaviors. Health Communication. 10.1080/10410236.2020.1864890

Chodick, G., Rosenfeld Teper, G., Levi, S., Kopel, H., Kleinbort, A., Khen, E., Schejter, A., Shalev, V., Stein, M., & Lewis, N. (2020). The Impact of a Facebook Campaign among Mothers on HPV Vaccine Uptake among their daughters: A Randomized Controlled Study. Gynocologic Oncology, 160(1), 106-111.

Lewis, N., & Martinez, L. S. (2020). Information Seeking as a Predictor of Risk Behavior: Testing A Behavior and Risk Information Engagement Model (BRIE). Journal of Health Communication, 25(6), 474-483.   

Lewis, N., & Sznitman, S. (2019). Engagement with medical cannabis information from online and mass media sources: Is it related to medical cannabis attitudes and support for legalization? International Journal of Drug Policy, Special Issue on ‘Online Data and Methods’, 73, 219-227.

Lewis, N., Pelled, A., & Tal-Or, N. (2019). The effect of exposure to thin models and digital modification disclaimers on women’s body satisfaction. International Journal of Psychology, 55(2), 245-254.                    

Sznitman, S. R., & Lewis, N. (2018). Examining effects of medical cannabis narratives on beliefs, attitudes, and intentions related to recreational cannabis: A web-based randomized experiment. Drug and Alcohol Dependence. 1(186), 219-225.

Cheng, Y., Ahn, J., Martinez, L., S., & Lewis, N. (2017). A cross-comparative survey of information seeking and scanning about drug-related sources and topics among U.S. and Israeli college students. Journal of Health Communication, 22(8), 692-701.

Lewis, N., Martinez, L, & Carmel, O. (2017). Measures of information seeking: A validation study in the context of nonmedical drug use behaviors. Communication Methods and Measures, 11(4), 266-288.

Lewis, N., & Sznitman, S. (2017). You brought it on yourself: The joint effects of message type, stigma and responsibility attribution on attitudes toward medical cannabis. Journal of Communication, 67(2), 181-202.

Martinez, L., & Lewis, N. (2016). The moderated influence of perceived behavioral control on intentions among the general U.S. population: Implications for public communication campaigns. Journal of Health Communication, 21(9), 1000-1015.

Lewis, N., Martinez, L., Agbarya, A., & Piatok-Vaisman, T. (2016). Examining patterns and motivations for drug-related information seeking and scanning behavior: A cross-national comparison of American and Israeli college students, Communication Quarterly64(2), 145-172.

Martinez, L, & Lewis, N. (2016). A mediation model to explain the effects of information seeking from media and interpersonal sources on young adults' intention to use marijuana. International Journal of Communication, 10, 1-24

Gibson, L., Freres, D., Tan, A., Lewis, N., Martinez, L. S., & Hornik, R. C. (2016). Non-medical information seeking amid conflicting health information: Negative and positive effects on prostate cancer screening. Health Communication, 31(4), 417-424.

Lewis, N.Sznitman, S., & Broitman, D. (2015). A framing analysis of medical cannabis in Israeli newspaper coverage. Science Communication, 37(6), 675-702.

Lewis, N. (2015). Examining normative influence in persuasive health messages: The moderating role of identification with other parents. International Journal of Communication, 9, 3000-3019.

Sznitman, S. R., & Lewis, N. (2015). Is cannabis an illegal drug or a medicine? A quantitative framing analysis of Israeli newspaper coverage. International Journal of Drug Policy, 26(5), 446-452.

Moldovan-Johnson, M., Martinez, L. S., Lewis, N., Freres, D., & Hornik, R. (2014). The role of patient clinician information engagement and information seeking from nonmedical sources in fruit and vegetable intake among cancer patients. Journal of Health Communication, 29(10), 974-983.

Lewis, N., & Martinez, L. S. (2014). Does the number of cancer patients’ close social ties affect cancer-related information seeking through communication efficacy? Testing a mediation model. Journal of Health Communication, 19(9), 1076-1097.

Lewis, N. (2013) Priming effects of perceived norms on behavioral intention through observability. Journal of Applied Social Psychology43, E97-E108.

Ramirez, A.S., Freres, D., Martinez, L.M., Lewis, N., Bourgoin, A., Kelly, B., Lee, C.J., Nagler, R., Schwartz, J. S., Hornik, R. C. (2013). Information seeking from media and family/friends increases the likelihood of engaging in healthy lifestyle. Journal of Health Communication, 18(5), 527-542.

Lee, C. J., Ramirez, S., Lewis, N., Gray, S. W., & Hornik, R. C. (2012). Looking beyond the internet: Examining socioeconomic inequalities in cancer information seeking among cancer patients. Health Communication, 27(8), 806-817.

Lewis, N., Martinez, L. S., Freres, D., Schwartz, J. S., Armstrong, K., Gray, S. W., Fraze, T., Nagler, R., Bourgoin, A., & Hornik, R. C. (2012). Information seeking from media and family and friends increases fruit and vegetable consumption among cancer patients. Health Communication, 27(4), 380-388.

Lee, C. J., Gray, S. W., & Lewis, N. (2010) Internet use leads cancer patients to be active health care consumers. Patient Education and Counseling, 81(1), 723-734.

Lewis, N., Gray, S. W., Freres, D., & Hornik, R. C. (2009). Cross source engagement with cancer-related information and its impact on doctor-patient relations.  Health Communication24(8), 723-734.

Martinez, L. S., & Lewis, N. (2009). The role of direct-to-consumer advertising in shaping public opinion surrounding prescription drug use to treat depression or anxiety in youth. Journal of Health Communication14(3), 246-261.

Annenberg Media Exposure Research Group: Arnold, A. K., Bigman, C., Brechman, J., Fishman, J., Lee, C., Lewis, N., Martinez, L., Verrochi, N., Wainwright, D., & Fishbein, M. (2008). Linking measures of media exposure to sexual cognitions and behaviors: A review. Communication Methods and Measures, 2(Issues 1 and 2), 23-42.


Book chapters

Lewis, N., Shekter-Porat, N., & Nasir, H. (2021). Health Information Seeking. In T. L. Thompson, & N. Harrington (Eds.), The Routledge Handbook of Health Communication (3rd edition) (pp. 399-411). Routledge Press.

Sznitzman, S., Lewis, N., & Taubman, D. (2014). Analysing Twitter as an opportunity to understand substance use, In Potter, J., Wouters, M., & Fountain, J. (Eds.), Drugs in Europe: Change and Continuity, European Society for Social Drug Research (pp. 103-122). Lengerich: Pabst Science Publishers.

Wagner, E. F., & Lewis, N. (2019). Targeted prevention approaches. In S. Brown, R. Zucker., & C. Zimmerman (Eds.), The Oxford Handbook of Adolescent Substance Abuse.  New York, NY: Oxford University Press. 

Encyclopedia entries

Lewis, N., & Sznitman, S. (2022). Cannabis. In Ho, E., Bylund, C., & van Weert, J. (Eds.) The Wiley-Blackwell International Encyclopedia of Health Communication (IEHC). Malden, MA: Blackwell & the International Communication Association (ICA)

Lewis, N. (2017). Information seeking and scanning (2017). In Rössler, P. (Ed.) The Wiley-Blackwell International Encyclopedia of Media Effects (pp. 745-754), Malden, MA: Blackwell & the International Communication Association (ICA).


Other Scientific publications

Lachter, J., Pahk, E., Shackelford, E., Asulin, R., & Lewis, N. (2016). Movie instructions can improve preparation for colonoscopy. American Journal of Gastroenterology, 111(9), 1367.