Lynsie Ranker

Lynsie Ranker, PhD

Assistant Professor, Community Health Sciences - Boston University School of Public Health


Lynsie Ranker (she/her) is an Assistant Professor in the Department of Community Health Sciences. She is a social epidemiologist whose research focuses on contextual factors in lived and online environments and their relationships with substance use among adolescents and young adults.

Her recent work uses a combination of epidemiologic methods and social media analytics to examine the influences of social media content on tobacco use and purchasing patterns. Other projects include: variations in alcohol use and treatment access among college students, drinking trajectories from adolescence into young adulthood, and a content analysis of poly-substance use discussions on social media. She is also passionate about teaching and mentoring the next generation of public health practitioners. She has taught courses on mass media & public health and program evaluation.

Lynsie was an A-TRAC career enhancement fellow with the American Heart Association during her postdoctoral training. She received both her PhD in epidemiology and her MPH from BUSPH. Prior to receiving her degree, she assisted program and policy evaluations as an epidemiologist with the Institute for Community Health (Cambridge Health Alliance). In her free time, she enjoys reading science fiction, eating copious amounts of nachos, and going on long walks in her neighborhood while listening to her favorite podcast.


  • Boston University School of Public Health, PhD Field of Study: Epidemiology
  • Boston University School of Public Health, MPH Field of Study: Epidemiology/Social & Behavioral Sciences
  • Boston College, BS Field of Study: Biology

Classes Taught

  • SPHEP857
  • SPHSB733


  • Published on 4/26/2024

    Seymour JW, Ruggiero S, Ranker L, Thompson TA. Experiences with and unmet needs for medication abortion support: A qualitative study with US abortion support providers. Perspect Sex Reprod Health. 2024 Apr 26. PMID: 38666706.

    Read At: PubMed
  • Published on 4/4/2024

    Katz-Wise SL, Ranker LR, Korkodilos R, Conti J, Nelson KM, Xuan Z, Gordon AR. Will all youth answer sexual orientation and gender-related survey questions? An analysis of missingness in a large U.S. survey of adolescents and young adults. Psychol Methods. 2024 Apr 04. PMID: 38573664.

    Read At: PubMed
  • Published on 2/28/2024

    Ranker LR, Wu J, Hong T, Wijaya D, Benjamin EJ, Bhatnagar A, Robertson RM, Fetterman JL, Xuan Z. Social media use, brand engagement, and tobacco product initiation among youth: Evidence from a prospective cohort study. Addict Behav. 2024 Jul; 154:108000. PMID: 38461745.

    Read At: PubMed
  • Published on 8/16/2023

    Katz-Wise SL, Ranker LR, Kraus AD, Wang YC, Xuan Z, Green JG, Holt M. Fluidity in Gender Identity and Sexual Orientation Identity in Transgender and Nonbinary Youth. J Sex Res. 2023 Aug 16; 1-10. PMID: 37585555.

    Read At: PubMed
  • Published on 5/16/2023

    Ranker LR, Ross CS, Rudolph AE, Weuve J, Xuan Z. Identifying and describing trajectories of alcohol use frequency and binge drinking frequency among those aged 15-30?years in a national cohort of US adolescents: A group-based trajectory modeling approach. Addiction. 2023 Sep; 118(9):1739-1750. PMID: 37069487.

    Read At: PubMed
  • Published on 3/14/2023

    Wu J, Origgi JM, Ranker LR, Bhatnagar A, Robertson RM, Xuan Z, Wijaya D, Hong T, Fetterman JL. Compliance With the US Food and Drug Administration's Guidelines for Health Warning Labels and Engagement in Little Cigar and Cigarillo Content: Computer Vision Analysis of Instagram Posts. JMIR Infodemiology. 2023; 3:e41969. PMID: 37113379.

    Read At: PubMed
  • Published on 12/15/2022

    Katz-Wise SL, Ranker LR, Gordon AR, Xuan Z, Nelson K. Sociodemographic Patterns in Retrospective Sexual Orientation Identity and Attraction Change in the Sexual Orientation Fluidity in Youth Study. J Adolesc Health. 2023 Mar; 72(3):437-443. PMID: 36528519.

    Read At: PubMed
  • Published on 11/1/2022

    Ommerborn MJ, Ranker LR, Touw S, Himmelstein DU, Himmelstein J, Woolhandler S. Assessment of Immigrants' Premium and Tax Payments for Health Care and the Costs of Their Care. JAMA Netw Open. 2022 Nov 01; 5(11):e2241166. PMID: 36350650.

    Read At: PubMed
  • Published on 7/29/2022

    Ranker LR, Lipson SK. Prevalence of heavy episodic drinking and alcohol use disorder diagnosis among US college students: Results from the national Healthy Minds Study. Addict Behav. 2022 Dec; 135:107452. PMID: 35964391.

    Read At: PubMed
  • Published on 6/18/2022

    Solar C, Nansubuga A, Murillo J, Ranker L, Borrelli B, Bowen DJ, Xuan Z, Kane J, Werntz S, Crouter SE, Quintiliani LM. Mobile health plus community health worker support for weight management among public housing residents (Path to Health): A randomized controlled trial protocol. Contemp Clin Trials. 2022 Aug; 119:106836. PMID: 35724842.

    Read At: PubMed

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