Omer S. M. Hasan

4.3k total citations · 4 hit papers
22 papers, 2.7k citations indexed

About

Omer S. M. Hasan is a scholar working on Pathology and Forensic Medicine, Epidemiology and Pharmacology. According to data from OpenAlex, Omer S. M. Hasan has authored 22 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Pathology and Forensic Medicine, 12 papers in Epidemiology and 7 papers in Pharmacology. Recurrent topics in Omer S. M. Hasan's work include Alcohol Consumption and Health Effects (12 papers), Substance Abuse Treatment and Outcomes (9 papers) and Cannabis and Cannabinoid Research (7 papers). Omer S. M. Hasan is often cited by papers focused on Alcohol Consumption and Health Effects (12 papers), Substance Abuse Treatment and Outcomes (9 papers) and Cannabis and Cannabinoid Research (7 papers). Omer S. M. Hasan collaborates with scholars based in Canada, Germany and Russia. Omer S. M. Hasan's co-authors include Jürgen Rehm, Kevin D. Shield, Michael Roerecke, Charlotte Probst, Gerrit Gmel, Jakob Manthey, Margaret Rylett, Sameer Imtiaz, Michaël Schwarzinger and Andriy V. Samokhvalov and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and Journal of Hepatology.

In The Last Decade

Omer S. M. Hasan

21 papers receiving 2.7k citations

Hit Papers

align trajectories

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.

The relationship between different dimensions of alcohol use and the burden of disease—an update

2017 776 citations Jürgen Rehm, Gerhard Gmel et al. Addiction profile →
Global alcohol exposure between 1990 and 2017 and forecasts until 2030: a modelling study

2019 561 citations Jakob Manthey, Kevin D. Shield et al. The Lancet profile →
The effect of a reduction in alcohol consumption on blood pressure: a systematic review and meta-analysis

2017 314 citations Michael Roerecke, Janusz Kaczorowski et al. The Lancet Public Health profile →
Alcohol use and dementia: a systematic scoping review

2019 241 citations Jürgen Rehm, Omer S. M. Hasan et al. Alzheimer s Research & Therapy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Omer S. M. Hasan Canada	15	1.4k	1.2k	499	389	322	22	2.7k
Gerrit Gmel Canada	22	1.7k 1.3×	1.4k 1.2×	1.1k 2.3×	503 1.3×	238 0.7×	42	3.8k
Andriy V. Samokhvalov Canada	22	2.5k 1.8×	1.8k 1.6×	803 1.6×	372 1.0×	301 0.9×	45	4.2k
Kaija Seppä Finland	30	1.4k 1.0×	1.2k 1.0×	767 1.5×	226 0.6×	181 0.6×	104	2.5k
Satya Mohapatra India	10	1.0k 0.8×	935 0.8×	194 0.4×	271 0.7×	173 0.5×	30	1.8k
Mariann R. Piano United States	29	608 0.4×	829 0.7×	351 0.7×	396 1.0×	672 2.1×	110	3.6k
Rosalind A. Breslow United States	29	735 0.5×	717 0.6×	520 1.0×	755 1.9×	425 1.3×	44	2.9k
Emanuele Scafato Italy	35	889 0.6×	526 0.5×	443 0.9×	577 1.5×	908 2.8×	101	4.1k
Roberta Wines United States	16	719 0.5×	254 0.2×	364 0.7×	280 0.7×	109 0.3×	40	2.5k
James D. Hosking United States	18	1.2k 0.9×	440 0.4×	555 1.1×	303 0.8×	150 0.5×	24	3.7k
Lisa Aronson Friedman United States	29	362 0.3×	287 0.2×	327 0.7×	1.2k 3.1×	464 1.4×	68	3.6k

Countries citing papers authored by Omer S. M. Hasan

Since Specialization

Citations

This map shows the geographic impact of Omer S. M. Hasan'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 Omer S. M. Hasan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Omer S. M. Hasan more than expected).

Fields of papers citing papers by Omer S. M. Hasan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Omer S. M. Hasan. 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 Omer S. M. Hasan. The network helps show where Omer S. M. Hasan may publish in the future.

Co-authorship network of co-authors of Omer S. M. Hasan

This figure shows the co-authorship network connecting the top 25 collaborators of Omer S. M. Hasan. A scholar is included among the top collaborators of Omer S. M. Hasan 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 Omer S. M. Hasan. Omer S. M. Hasan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Matheson, Justin, et al.. (2026). Driving by frequent cannabis users ‘the morning after’ last use of smoked cannabis: an observational driving simulator study. Journal of Cannabis Research.

Ciano, Patricia Di, Tarek K. Rajji, Patrick Byrne, et al.. (2024). Cannabis and Driving in Older Adults. JAMA Network Open. 7(1). e2352233–e2352233. 10 indexed citations

Zhao, Sai, Bruna Brands, Omer S. M. Hasan, et al.. (2024). The effect of cannabis edibles on driving and blood THC. SHILAP Revista de lepidopterología. 6(1). 26–26. 7 indexed citations

Ciano, Patricia Di, Bruna Brands, Gina Stoduto, et al.. (2023). The Utility of THC Cutoff Levels in Blood and Saliva for Detection of Impaired Driving. Cannabis and Cannabinoid Research. 8(3). 408–413. 11 indexed citations

Llamosas‐Falcón, Laura, Omer S. M. Hasan, Paul A. Shuper, & Jürgen Rehm. (2023). Alcohol use as a risk factor for sexually transmitted infections: A systematic review and conclusions for prevention. The International Journal of Alcohol and Drug Research. 11(1). 3–12. 4 indexed citations

Wickens, Christine M., Robert E. Mann, Patricia Di Ciano, et al.. (2021). Combined effect of alcohol and cannabis on simulated driving. Psychopharmacology. 239(5). 1263–1277. 29 indexed citations

Llamosas‐Falcón, Laura, Kevin D. Shield, Omer S. M. Hasan, et al.. (2021). Impact of alcohol on the progression of HCV-related liver disease: A systematic review and meta-analysis. Journal of Hepatology. 75(3). 536–546. 16 indexed citations

Jané‐Llopis, Eva, Daša Kokole, Maria Neufeld, Omer S. M. Hasan, & Jürgen Rehm. (2020). What is the current alcohol labelling practice in the WHO European Region and what are barriers and facilitators to development and implementation of alcohol labelling policy. Data Archiving and Networked Services (DANS). 11 indexed citations

Imtiaz, Sameer, Michael Roerecke, Paul Kurdyak, et al.. (2019). Brief Interventions for Cannabis Use in Healthcare Settings: Systematic Review and Meta-analyses of Randomized Trials. Journal of Addiction Medicine. 14(1). 78–88. 26 indexed citations

10.

Rehm, Jürgen, et al.. (2019). Regulatory Policies for Alcohol, other Psychoactive Substances and Addictive Behaviours: The Role of Level of Use and Potency. A Systematic Review. International Journal of Environmental Research and Public Health. 16(19). 3749–3749. 18 indexed citations

11.

Roerecke, Michael, Afshin Vafaei, Omer S. M. Hasan, et al.. (2019). Alcohol Consumption and Risk of Liver Cirrhosis: A Systematic Review and Meta-Analysis. The American Journal of Gastroenterology. 114(10). 1574–1586. 213 indexed citations

12.

Rehm, Jürgen & Omer S. M. Hasan. (2019). Is burden of disease differentially linked to spirits? A systematic scoping review and implications for alcohol policy. Alcohol. 82. 1–10. 32 indexed citations

13.

Rehm, Jürgen, Omer S. M. Hasan, Sandra E. Black, Kevin D. Shield, & Michaël Schwarzinger. (2019). Alcohol use and dementia: a systematic scoping review. Alzheimer s Research & Therapy. 11(1). 1–1. 241 indexed citations breakdown →

14.

Manthey, Jakob, Kevin D. Shield, Margaret Rylett, et al.. (2019). Global alcohol exposure between 1990 and 2017 and forecasts until 2030: a modelling study. The Lancet. 393(10190). 2493–2502. 561 indexed citations breakdown →

15.

Anderson, Peter, Eva Jané‐Llopis, Omer S. M. Hasan, & Jürgen Rehm. (2018). Changing Collective Social Norms in Favour of Reduced Harmful Use of Alcohol: A Review of Reviews. Alcohol and Alcoholism. 53(3). 326–332. 17 indexed citations

16.

Schwarzinger, Michaël, Bruce G. Pollock, Omer S. M. Hasan, et al.. (2018). Contribution of alcohol use disorders to the burden of dementia in France 2008–13: a nationwide retrospective cohort study. The Lancet Public Health. 3(3). e124–e132. 225 indexed citations

17.

Roerecke, Michael, Sheldon W. Tobe, Janusz Kaczorowski, et al.. (2018). Sex‐Specific Associations Between Alcohol Consumption and Incidence of Hypertension: A Systematic Review and Meta‐Analysis of Cohort Studies. Journal of the American Heart Association. 7(13). 128 indexed citations

18.

Rehm, Jürgen, Gerhard Gmel, Gerrit Gmel, et al.. (2017). The relationship between different dimensions of alcohol use and the burden of disease—an update. Addiction. 112(6). 968–1001. 776 indexed citations breakdown →

19.

Rehm, Jürgen, Omer S. M. Hasan, Sameer Imtiaz, & Maria Neufeld. (2017). Quantifying the contribution of alcohol to cardiomyopathy: A systematic review. Alcohol. 61. 9–15. 62 indexed citations

20.

Roerecke, Michael, Janusz Kaczorowski, Sheldon W. Tobe, et al.. (2017). The effect of a reduction in alcohol consumption on blood pressure: a systematic review and meta-analysis. The Lancet Public Health. 2(2). e108–e120. 314 indexed citations breakdown →

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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