Julia Vassey

Photo of Julia Vassey
Title(s)Assistant Professor of Clinical Population and Public Health Sciences
SchoolKeck School of Medicine of Usc
Address1845 N. Soto Street
Health Sciences Campus
Los Angeles CA 90032
ORCID ORCID Icon0000-0003-3002-2000 Additional info
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Influencer-driven lifestyle and wellness framing of intoxicating hemp products may normalize youth cannabis use. Int J Drug Policy. 2026 Jul 16; 155:105425. Vassey J, Unger JB, Chen-Sankey J. PMID: 42462344.
      View in: PubMed   Mentions:    Fields:    
    2. Impact of Instagram and TikTok influencer marketing on perceptions of e-cigarettes and perceptions of influencers in young adults: a randomised survey-based experiment. Tob Control. 2026 May 07; 35(3):358-365. Vassey J, Vogel EA, Unger JB, Cho J, Bae D, Donaldson SI, Allem JP. PMID: 39947698; PMCID: PMC12343919.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    3. Factors Associated with Exposure to Nicotine Pouch Content on Social Media among U.S. Adolescents. Nicotine Tob Res. 2026 Apr 27. Dai HD, Guastello P, Harlow AF, Bae D, Masonbrink AR, Han DH, Sanchez LM, Cho J, Miech RA, Sussman S, Meza LR, Unger JB, Vassey J, Galimov A, Leventhal AM. PMID: 42041118.
      View in: PubMed   Mentions:    Fields:    
    4. Generative AI in a new era of computer model-informed tobacco research: a short report. Tob Control. 2026 Apr 13; 35(2):267-270. Vassey J, Kennedy CJ, Chang HH, Unger JB. PMID: 39884867; PMCID: PMC13151426.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. E-cigarette and Cannabis in Social Media Influencer Marketing and Its Effect on Adolescents: A Survey-Based Experiment. Nicotine Tob Res. 2026 Mar 24; 28(4):658-667. Vassey J, Chen-Sankey J, Unger JB. PMID: 41182250; PMCID: PMC13008576.
      View in: PubMed   Mentions:    Fields:    Translation:HumansAnimals
    6. Healthy Vaping? Fitness-Oriented Imagery in Influencer E-Cigarette Marketing and Adolescent Perceptions of Influencers and E-Cigarettes. Am J Health Promot. 2026 Feb 17; 8901171261426771. Vassey J, Tran DD, Unger JB. PMID: 41700365.
      View in: PubMed   Mentions:    Fields:    
    7. Triple tank control: disposable vape devices with adjustable nicotine and flavour levels. Tob Control. 2025 Dec 30. Unger JB, Whaley RC, Vassey J, Feizy S, Soto DW, Galimov A. PMID: 41402059.
      View in: PubMed   Mentions:    Fields:    
    8. Youth Perceptions of E-Cigarette Influencer Marketing on Social Media. Subst Use Misuse. 2026; 61(9):1451-1461. Vassey J, Chen-Sankey J, Unger JB. PMID: 41456270.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Demographic Trends in E-Cigarette Social Media Marketing: Perceiving Gender Presentation and Facial Age Via Computer Vision. Nicotine Tob Res. 2025 Oct 22; 27(11):2063-2071. Kennedy CJ, Gajjar B, Chang HH, Unger JB, Vassey J. . PMID: 40052551; PMCID: PMC12539923.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    10. US adolescents' response to nicotine warning labels in influencer e-cigarette marketing social media posts: a survey-based randomised between-subject experiment. Tob Control. 2025 10 03; 34(5):609-617. Vassey J, Vogel EA, Unger JB. PMID: 38749676; PMCID: PMC11569271.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    11. E-Cigarette and Cannabis Social Media Posts and Adolescent Substance Use. JAMA Netw Open. 2025 06 02; 8(6):e2517611. Vassey J, Cho J, Vogel EA, Iyer T, Chen-Sankey J, Unger JB. PMID: 40553470; PMCID: PMC12188343.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    12. Tobacco, nicotine and counter-marketing promotions using Instagram's branded content tool. Tob Control. 2025 05 15; 34(3):369-373. Laestadius L, Van Hoorn K, Vassey J, Ozga J, Stanton C, Li D, Han E, Romer D. PMID: 38160057; PMCID: PMC11214637.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    13. Worldwide connections of influencers who promote e-cigarettes on Instagram and TikTok: a social network analysis. Comput Human Behav. 2025 Apr; 165. Vassey J, Chang HH, Valente T, Unger JB. PMID: 40115242; PMCID: PMC11922560.
      View in: PubMed   Mentions: 2  
    14. Reviving Old Tricks in New Tobacco Marketing: Presence of e-Cigarette Brand Names on Merchandise Promoted by Influencers on Social Media. Subst Use Misuse. 2025; 60(3):319-323. Vassey J, Laestadius LI, Unger JB. PMID: 39543855; PMCID: PMC11770627.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Discussion of Heated Tobacco Products on Twitter Following IQOS's Modified-Risk Tobacco Product Authorization and US Import Ban: Content Analysis. J Med Internet Res. 2024 10 24; 26:e53938. Kim M, Vassey J, Li D, Galimov A, Han E, Kirkpatrick MG, Stanton CA, Ozga JE, Lee S, Unger JB. PMID: 39446431; PMCID: PMC11544331.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    16. Vaping Devices with Video Games. Subst Use Misuse. 2024; 59(14):2149-2150. Unger JB, Vassey J, Soto DW, Galimov A. PMID: 39297450.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. Young adults' visual attention to features of social media marketing for disposable e-cigarettes and associated perceptions. Addiction. 2025 Mar; 120(3):439-451. Chen-Sankey J, Weiger C, La Capria K, Vassey J, Jeong M, Phan L, Unger JB, Allem JP, Berg CJ, Choi K. PMID: 38923723; PMCID: PMC11813734.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    18. Scalable Surveillance of E-Cigarette Products on Instagram and TikTok Using Computer Vision. Nicotine Tob Res. 2024 04 22; 26(5):552-560. Vassey J, Kennedy CJ, Herbert Chang HC, Smith AS, Unger JB. PMID: 37947283; PMCID: PMC11033573.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    19. Themes in e-liquid concept names as a marketing tactic: evidence from Premarket Tobacco Product Applications in the USA. Tob Control. 2024 04 19; 33(3):412-413. Laestadius L, Vassey J, Kim M, Ozga J, Li D, Stanton C, Wipfli H, Unger JB. PMID: 36171148; PMCID: PMC10043038.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    20. Tobacco promotion restriction policies on social media. Tob Control. 2024 04 19; 33(3):398-403. Kong G, Laestadius L, Vassey J, Majmundar A, Stroup AM, Meissner HI, Ben Taleb Z, Cruz TB, Emery SL, Romer D. PMID: 36328589; PMCID: PMC10154427.
      View in: PubMed   Mentions: 64     Fields:    Translation:Humans
    21. Oral Nicotine Gum Discussions on Twitter: Content Analysis. Nicotine Tob Res. 2024 03 22; 26(4):503-507. Galimov A, Kirkpatrick MG, Vassey J, Galstyan E, Smith A, Allem JP, Unger JB. PMID: 37791822; PMCID: PMC10959151.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    22. Assessing the public discourse on Twitter: Reactions to the JUUL e-cigarettes ban in the United States. Tob Induc Dis. 2024; 22. Galimov A, Albers L, Rahman T, Vassey J, Kirkpatrick MG, Unger JB. PMID: 38410122; PMCID: PMC10895646.
      View in: PubMed   Mentions: 1  
    23. Young Adults' Exposure to and Engagement With Tobacco-Related Social Media Content and Subsequent Tobacco Use. Nicotine Tob Res. 2024 Feb 15; 26(Supplement_1):S3-S12. Vogel EA, Barrington-Trimis JL, Vassey J, Soto D, Unger JB. PMID: 38366337; PMCID: PMC10873498.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    24. Influence of Disclosed and Undisclosed Funding Sources in Tobacco Harm Reduction Discourse: A Social Network Analysis. Nicotine Tob Res. 2023 11 22; 25(12):1829-1837. Vassey J, Hendlin YH, Vora M, Ling P. PMID: 36308511; PMCID: PMC10664076.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    25. Effects of a nicotine warning label and vaping cessation resources on young adults' perceptions of pro-vaping instagram influencer posts. Addict Behav. 2024 02; 149:107888. Vogel EA, Unger JB, Vassey J, Barrington-Trimis JL. PMID: 37857044; PMCID: PMC10841614.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    26. Should Tobacco-Related Marketing on Social Media Have Stronger Restrictions? Commentary. Subst Use Misuse. 2023; 58(12):1615-1619. Vassey J, Unger JB. PMID: 37442760; PMCID: PMC11335318.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    27. Ice Flavor-Related Discussions on Twitter: Content Analysis. J Med Internet Res. 2022 11 30; 24(11):e41785. Galimov A, Vassey J, Galstyan E, Unger JB, Kirkpatrick MG, Allem JP. PMID: 36449326; PMCID: PMC9752452.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansAnimals
    28. Themes in TikTok Videos Featuring Little Cigars and Cigarillos: Content Analysis. J Med Internet Res. 2022 11 16; 24(11):e42441. Vassey J, Donaldson SI, Dormanesh A, Allem JP. PMID: 36383406; PMCID: PMC9713621.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    29. Frequency of social media use and exposure to tobacco or nicotine-related content in association with E-cigarette use among youth: A cross-sectional and longitudinal survey analysis. Prev Med Rep. 2022 Dec; 30:102055. Vassey J, Galimov A, Kennedy CJ, Vogel EA, Unger JB. PMID: 36531097; PMCID: PMC9747649.
      View in: PubMed   Mentions: 31  
    30. Vaping and anime: a growing area of concern. Tob Control. 2023 11; 32(6):803-805. Wipfli HL, Kim M, Vassey J, Stanton C. PMID: 35474025; PMCID: PMC10646938.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. E-cigarette brands and social media influencers on Instagram: a social network analysis. Tob Control. 2023 08; 32(e2):e184-e191. Vassey J, Valente T, Barker J, Stanton C, Li D, Laestadius L, Cruz TB, Unger JB. PMID: 35131947; PMCID: PMC9473311.
      View in: PubMed   Mentions: 73     Fields:    Translation:Humans
    32. E-cigarette use and promotion by social media influencers during videogame play on Twitch. Tob Control. 2023 07; 32(4):526-527. Vassey J, Allem JP, Barker J, Cruz TB, Pang R, Unger JB, Wipfli HL, Kirkpatrick M. PMID: 34625511; PMCID: PMC9153388.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    33. Categorizing IQOS-Related Twitter Discussions. Int J Environ Res Public Health. 2021 04 30; 18(9). Barker JO, Vassey J, Chen-Sankey JC, Allem JP, Cruz TB, Unger JB. PMID: 33946546; PMCID: PMC8124933.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
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