Shaul Lev‐Ran

3.6k total citations · 1 hit paper
95 papers, 2.3k citations indexed

About

Shaul Lev‐Ran is a scholar working on Pharmacology, Clinical Psychology and Psychiatry and Mental health. According to data from OpenAlex, Shaul Lev‐Ran has authored 95 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Pharmacology, 36 papers in Clinical Psychology and 31 papers in Psychiatry and Mental health. Recurrent topics in Shaul Lev‐Ran's work include Cannabis and Cannabinoid Research (38 papers), Substance Abuse Treatment and Outcomes (28 papers) and Bipolar Disorder and Treatment (16 papers). Shaul Lev‐Ran is often cited by papers focused on Cannabis and Cannabinoid Research (38 papers), Substance Abuse Treatment and Outcomes (28 papers) and Bipolar Disorder and Treatment (16 papers). Shaul Lev‐Ran collaborates with scholars based in Israel, Canada and United States. Shaul Lev‐Ran's co-authors include Jürgen Rehm, Bernard Le Foll, Daniel L. Feingold, Kwame McKenzie, Tony P. George, Michael Roerecke, Mark Weiser, Sameer Imtiaz, Itay Goor‐Aryeh and Ofir Livne and has published in prestigious journals such as Scientific Reports, Journal of Clinical Epidemiology and Psychological Medicine.

In The Last Decade

Shaul Lev‐Ran

90 papers receiving 2.3k citations

Hit Papers

The association between cannabis use and depression: a sy... 2013 2026 2017 2021 2013 100 200 300 400
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. The association between cannabis use and depression: a systematic review and meta-analysis of longitudinal studies
    2013 427 citations Shaul Lev‐Ran, Bernard Le Foll et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Shaul Lev‐Ran Israel 26 1.3k 747 628 553 406 95 2.3k
Zach Walsh Canada 33 1.3k 1.0× 1.4k 1.9× 454 0.7× 237 0.4× 335 0.8× 97 3.0k
Efrat Aharonovich United States 30 707 0.5× 734 1.0× 1.4k 2.2× 526 1.0× 548 1.3× 109 3.1k
Anees Bahji Canada 24 790 0.6× 560 0.7× 332 0.5× 501 0.9× 164 0.4× 117 2.1k
Marcos Hortes Nisihara Chagas Brazil 29 1.5k 1.2× 535 0.7× 321 0.5× 507 0.9× 256 0.6× 113 3.4k
Joseph T. Sakai United States 22 545 0.4× 605 0.8× 570 0.9× 204 0.4× 266 0.7× 80 1.8k
Simon J. Adamson New Zealand 19 655 0.5× 668 0.9× 1.3k 2.0× 251 0.5× 508 1.3× 60 2.3k
Marc L. Copersino United States 24 660 0.5× 312 0.4× 700 1.1× 444 0.8× 268 0.7× 42 2.0k
Susan C. Sonne United States 32 542 0.4× 1.2k 1.6× 949 1.5× 810 1.5× 319 0.8× 63 3.3k
Malka Stohl United States 13 646 0.5× 503 0.7× 422 0.7× 253 0.5× 348 0.9× 29 2.0k
Erin A. McClure United States 29 683 0.5× 327 0.4× 570 0.9× 165 0.3× 370 0.9× 113 2.3k

Countries citing papers authored by Shaul Lev‐Ran

Since Specialization
Citations

This map shows the geographic impact of Shaul Lev‐Ran's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Shaul Lev‐Ran with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Shaul Lev‐Ran more than expected).

Fields of papers citing papers by Shaul Lev‐Ran

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Shaul Lev‐Ran. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Shaul Lev‐Ran. The network helps show where Shaul Lev‐Ran may publish in the future.

Co-authorship network of co-authors of Shaul Lev‐Ran

This figure shows the co-authorship network connecting the top 25 collaborators of Shaul Lev‐Ran. A scholar is included among the top collaborators of Shaul Lev‐Ran based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Shaul Lev‐Ran. Shaul Lev‐Ran is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Shmulewitz, Dvora, et al.. (2025). Exposure to online hate speech is positively associated with post-traumatic stress disorder symptom severity. Scientific Reports. 15(1). 29869–29869.
3.
Feingold, Daniel L., Silviu Brill, Ben H. Amit, et al.. (2024). Conceptualizing problematic use of medicinal Cannabis: Development and preliminary validation of a brief screening questionnaire. Addictive Behaviors. 158. 108122–108122. 1 indexed citations
4.
Kushnir, Talma, Sharon R. Sznitman, Shaul Lev‐Ran, et al.. (2023). Negative experiences of patients using medicinal cannabis: A systematic review of qualitative studies. Journal of Clinical Nursing. 32(17-18). 5607–5618. 3 indexed citations
5.
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Miron, Oren, Noam Barda, Ran D. Balicer, Ariel Kor, & Shaul Lev‐Ran. (2022). Association of opioid use disorder with healthcare utilization and cost in a public health system. Addiction. 117(11). 2880–2886. 15 indexed citations
7.
Levin, Yafit, et al.. (2021). The association between type of trauma, level of exposure and addiction. Addictive Behaviors. 118. 106889–106889. 24 indexed citations
8.
Dreiher, Jacob, Pesach Shvartzman, Mark Weiser, et al.. (2020). Effects of country of origin and wave of immigration on prevalence of schizophrenia among first and second-generation immigrants: A 30-year retrospective study. Schizophrenia Research. 243. 247–253. 3 indexed citations
9.
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Lev‐Ran, Shaul, et al.. (2019). Does cannabis use increase anxiety disorders? A literature review. Current Opinion in Psychiatry. 33(1). 8–13. 8 indexed citations
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12.
Rehm, Jürgen, et al.. (2018). Epidemiology of hallucinogen use in the U.S. results from the National epidemiologic survey on alcohol and related conditions III. Addictive Behaviors. 89. 35–43. 59 indexed citations
13.
Feingold, Daniel L., Jürgen Rehm, & Shaul Lev‐Ran. (2017). Cannabis use and the course and outcome of major depressive disorder: A population based longitudinal study. Psychiatry Research. 251. 225–234. 53 indexed citations
14.
Feingold, Daniel L., et al.. (2017). Patterns of cannabis use and clinical correlates among individuals with Major Depressive Disorder and Bipolar Disorder. Comprehensive Psychiatry. 80. 89–96. 9 indexed citations
15.
Bronstein, I, et al.. (2017). The Impact of ‘Being There’: Psychiatric Staff Attitudes on the Use of Restraint. Psychiatric Quarterly. 89(1). 191–199. 23 indexed citations
16.
Feingold, Daniel L., Uri Nitzan, Gideon Ratzoni, & Shaul Lev‐Ran. (2014). Clinical Correlates of Alcohol Abuse among Adolescent Psychiatric Inpatients in Israel.. PubMed. 51(4). 258–60. 3 indexed citations
17.
Feingold, Daniel L., Mark Weiser, Jürgen Rehm, & Shaul Lev‐Ran. (2014). The association between cannabis use and mood disorders: A longitudinal study. Journal of Affective Disorders. 172. 211–218. 127 indexed citations
18.
Lev‐Ran, Shaul, Sameer Imtiaz, & Bernard Le Foll. (2012). Self‐Reported Psychotic Disorders among Individuals with Substance Use Disorders: Findings from the National Epidemiologic Survey on Alcohol and Related Conditions. American Journal on Addictions. 21(6). 531–535. 6 indexed citations
19.
Braw, Yoram, Mírian Cohen, Uri Berger, et al.. (2012). Remission of positive symptoms according to the “remission in Schizophrenia Working Group” criteria: A longitudinal study of cognitive functioning. European Psychiatry. 28(5). 282–287. 3 indexed citations
20.
Lev‐Ran, Shaul, Sameer Imtiaz, Benjamin J. Taylor, et al.. (2011). Gender differences in health-related quality of life among cannabis users: Results from the national epidemiologic survey on alcohol and related conditions. Drug and Alcohol Dependence. 123(1-3). 190–200. 88 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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