Eric C. Leas

5.7k total citations · 1 hit paper
89 papers, 3.4k citations indexed

About

Eric C. Leas is a scholar working on Physiology, Epidemiology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Eric C. Leas has authored 89 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Physiology, 26 papers in Epidemiology and 19 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Eric C. Leas's work include Smoking Behavior and Cessation (48 papers), Data-Driven Disease Surveillance (17 papers) and Obesity, Physical Activity, Diet (14 papers). Eric C. Leas is often cited by papers focused on Smoking Behavior and Cessation (48 papers), Data-Driven Disease Surveillance (17 papers) and Obesity, Physical Activity, Diet (14 papers). Eric C. Leas collaborates with scholars based in United States, United Kingdom and Ireland. Eric C. Leas's co-authors include John W. Ayers, Mark Dredze, Davey M. Smith, Adam Poliak, Michael Hogarth, Chris Longhurst, Aaron M. Goodman, Dennis J. Faix, David R. Strong and Benjamin M. Althouse and has published in prestigious journals such as JAMA, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Eric C. Leas

87 papers receiving 3.3k 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.

Comparing Physician and Artificial Intelligence Chatbot Responses to Patient Questions Posted to a Public Social Media Forum

2023 1.2k citations John W. Ayers, Adam Poliak et al. JAMA Internal Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Eric C. Leas United States	30	1.1k	835	626	456	453	89	3.4k
John W. Ayers United States	37	899 0.8×	855 1.0×	639 1.0×	773 1.7×	555 1.2×	106	4.7k
Liliana Laranjo Australia	27	369 0.3×	332 0.4×	446 0.7×	1.1k 2.4×	777 1.7×	83	3.3k
Tobias Raupach Germany	33	1.1k 1.0×	237 0.3×	1.0k 1.6×	510 1.1×	210 0.5×	160	3.5k
Siobhán O’Connor United Kingdom	25	188 0.2×	251 0.3×	515 0.8×	1.0k 2.3×	131 0.3×	91	2.7k
Brian C. Martinson United States	34	566 0.5×	323 0.4×	1.6k 2.6×	1.1k 2.4×	67 0.1×	74	4.4k
Yoshimi Fukuoka United States	28	625 0.6×	108 0.1×	628 1.0×	1.1k 2.4×	196 0.4×	92	2.7k
Camille Nebeker United States	23	149 0.1×	303 0.4×	497 0.8×	767 1.7×	272 0.6×	76	2.4k
Giang Thu Vu Vietnam	28	151 0.1×	191 0.2×	285 0.5×	427 0.9×	142 0.3×	131	2.5k
Bjørn Hofmann Norway	34	405 0.4×	151 0.2×	1.0k 1.6×	1.7k 3.7×	75 0.2×	258	4.1k
Elizabeth Wager United Kingdom	31	258 0.2×	494 0.6×	1.4k 2.2×	712 1.6×	87 0.2×	106	4.3k

Countries citing papers authored by Eric C. Leas

Since Specialization

Citations

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

Fields of papers citing papers by Eric C. Leas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Eric C. Leas. 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 Eric C. Leas. The network helps show where Eric C. Leas may publish in the future.

Co-authorship network of co-authors of Eric C. Leas

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

All Works

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20 of 20 papers shown

Yang, Kevin H., et al.. (2025). Prevalence and reasons for using cannabidiol, delta-8 tetrahydrocannabinol, cannabinol, cannabigerol, and hexahydrocannabinol among US adults. Journal of Cannabis Research. 7(1). 100–100.

Yang, Kevin H., et al.. (2025). U.S. State Marijuana and Delta-8-Tetrahydrocannabinol Laws and Delta-8-Tetrahydrocannabinol Use. American Journal of Preventive Medicine. 69(6). 108026–108026. 1 indexed citations

Leas, Eric C.. (2024). Need for improved regulation of tobacco e-commerce. Tobacco Control. 34(2). 276–277. 4 indexed citations

Messer, Karen, John P. Pierce, Man Luo, et al.. (2024). Cigarette smoking decline among US young adults from 2000 to 2019, in relation to state-level cigarette price and tobacco control expenditure. Tobacco Control. 34(5). 671–679. 1 indexed citations

Ellis, Shannon, et al.. (2024). Derived cannabinoid product availability among online vape shops. Preventive Medicine Reports. 48. 102910–102910. 2 indexed citations

Leas, Eric C., et al.. (2024). Using Large Language Models to Support Content Analysis: A Case Study of ChatGPT for Adverse Event Detection. Journal of Medical Internet Research. 26. e52499–e52499. 8 indexed citations

Leas, Eric C., et al.. (2024). Need for a Public Health Response to the Unregulated Sales of Amanita muscaria Mushrooms. American Journal of Preventive Medicine. 67(3). 458–463. 4 indexed citations

Ellis, Shannon, et al.. (2024). Online Retailer Nonadherence to Age Verification, Shipping, and Flavor Restrictions on E-Cigarettes. JAMA. 332(24). 2113–2113. 2 indexed citations

Leas, Eric C., et al.. (2023). Self-reported adverse events associated with ∆8-Tetrahydrocannabinol (Delta-8-THC) Use. SHILAP Revista de lepidopterología. 5(1). 15–15. 19 indexed citations

10.

Leas, Eric C., et al.. (2023). Kratom availability in California vape shops. Preventive Medicine Reports. 35. 102380–102380. 5 indexed citations

11.

Strong, David R., Allison Glasser, Eric C. Leas, et al.. (2023). Indicators of Tobacco Dependence Among Youth: Findings From Wave 1 (2013–2014) of the Population Assessment of Tobacco and Health Study. Nicotine & Tobacco Research. 25(9). 1565–1574. 5 indexed citations

12.

Ayers, John W., Adam Poliak, Mark Dredze, et al.. (2023). Comparing Physician and Artificial Intelligence Chatbot Responses to Patient Questions Posted to a Public Social Media Forum. JAMA Internal Medicine. 183(6). 589–589. 1184 indexed citations breakdown →

13.

Pierce, John P., Man Luo, Sara B. McMenamin, et al.. (2023). Declines in cigarette smoking among US adolescents and young adults: indications of independence from e-cigarette vaping surge. Tobacco Control. 34(3). 286–293. 25 indexed citations

14.

Patton, Thomas, Daniela Abramovitz, Derek C. Johnson, et al.. (2022). Characterizing Help-Seeking Searches for Substance Use Treatment From Google Trends and Assessing Their Use for Infoveillance: Longitudinal Descriptive and Validation Statistical Analysis. Journal of Medical Internet Research. 24(12). e41527–e41527. 6 indexed citations

15.

Purushothaman, Vidya, Raphael Cuomo, Eric C. Leas, et al.. (2022). Longitudinal analysis of tobacco and vape retail density in California. Tobacco Induced Diseases. 20(October). 1–12. 1 indexed citations

16.

Ayers, John W., Benjamin M. Althouse, Adam Poliak, et al.. (2020). Quantifying Public Interest in Police Reforms by Mining Internet Search Data Following George Floyd’s Death. Journal of Medical Internet Research. 22(10). e22574–e22574. 8 indexed citations

17.

Pierce, John P., Kari-Lyn K. Sakuma, Eric C. Leas, et al.. (2020). Widening disparities in cigarette smoking by race/ethnicity across education level in the United States. Preventive Medicine. 139. 106220–106220. 71 indexed citations

18.

Leas, Eric C., Judith J. Prochaska, John W. Ayers, Alicia L. Nobles, & Lisa Henriksen. (2019). What to do when tobacco advertisers exploit antitobacco social media campaigns to sell tobacco. Tobacco Control. 29(2). 243–244. 2 indexed citations

19.

Pierce, John P., James D. Sargent, Martha M. White, et al.. (2017). Receptivity to Tobacco Advertising and Susceptibility to Tobacco Products. PEDIATRICS. 139(6). 91 indexed citations

20.

Ayers, John W., J. Lee Westmaas, Eric C. Leas, et al.. (2016). Leveraging Big Data to Improve Health Awareness Campaigns: A Novel Evaluation of the Great American Smokeout. JMIR Public Health and Surveillance. 2(1). e16–e16. 49 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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