Karen S. Mitchell, PhD

Associate Professor, Psychiatry

Karen Mitchell
72 E. Concord St Building A


Dr. Mitchell is an Assistant Professor of Psychiatry at Chobanian and Avedisian School of Medicine. In addition, she has been a staff psychologist at the Women’s Health Sciences Division of the National Center for PTSD at VA Boston Healthcare System since 2009. She completed her PhD in Counseling Psychology (sub-speciality in Quantitative Methodology) at Virginia Commonwealth University in 2009. While in graduate school, she completed a pre-doctoral fellowship on an NIMH T32 in Psychiatric and Statistical Genetics at the Virginia Institute for Psychiatric and Behavioral Genetics (Richmond, VA). Dr. Mitchell completed her pre-doctoral internship in Health Psychology at the Cleveland VA Department of Veterans Affairs Medical Center. Her research interests include eating disorders, obesity, behavior genetics, PTSD, and complementary and alternative medicine (particularly yoga). Methodologies used include twin modeling, network science, epigenetic mechanisms, hierarchical linear modeling, and structural equation modeling. As a licensed clinical psychologist, Dr. Mitchell’s clinical interests include eating disorders, PTSD, and health psychology, including obesity and metabolic disorders.

Other Positions

  • Researcher, VA Boston Healthcare System


  • Virginia Commonwealth University, PhD
  • Virginia Commonwealth University, MS
  • Virginia Commonwealth University, BS


  • Published on 12/21/2023

    Serier KN, Zhao Z, Vogt D, Kehle-Forbes S, Smith BN, Mitchell KS. The impact of stress and well-being during the COVID-19 pandemic on mental health in U.S. veterans. Stress Health. 2023 Dec 21. PMID: 38126682.

    Read at: PubMed
  • Published on 11/27/2023

    Iverson KM, Livingston WS, Vogt D, Smith BN, Kehle-Forbes SM, Mitchell KS. Prevalence of Sexual Violence and Intimate Partner Violence Among US Military Veterans: Findings from Surveys with Two National Samples. J Gen Intern Med. 2024 Feb; 39(3):418-427. PMID: 38010460.

    Read at: PubMed
  • Published on 9/16/2023

    Zhao Z, Serier KN, Smith BN, Vogt D, Kehle-Forbes S, Mitchell KS. Gender similarities and differences in associations between weight discrimination, shape/weight concerns, and eating disorder symptoms among post-9/11 veterans. Eat Behav. 2023 Dec; 51:101818. PMID: 37741082.

    Read at: PubMed
  • Published on 7/23/2023

    Zelkowitz RL, Kehle-Forbes SM, Smith BN, Vogt DS, Mitchell KS. Associations between DSM-5 posttraumatic stress disorder Criterion E2 endorsement and selected self-destructive behaviors in recent-era veterans: A focus on disordered eating. J Trauma Stress. 2023 Oct; 36(5):1001-1009. PMID: 37485630.

    Read at: PubMed
  • Published on 11/10/2022

    Serier KN, Zelkowitz RL, Smith BN, Vogt D, Mitchell KS. The Posttraumatic Cognitions Inventory (PTCI): Psychometric evaluation in veteran men and women with trauma exposure. Psychol Assess. 2023 Feb; 35(2):140-151. PMID: 36355692.

    Read at: PubMed
  • Published on 10/14/2022

    Mitchell KS, Smith BN, Masheb R, Vogt D. The impact of the COVID-19 pandemic on eating disorders in U.S. military veterans. Int J Eat Disord. 2023 Jan; 56(1):108-117. PMID: 36239518.

    Read at: PubMed
  • Published on 9/8/2022

    Zelkowitz RL, Sienkiewicz ME, Vogt DS, Smith BN, Mitchell KS. Gender differences in direct and indirect associations of trauma types with disordered eating in a national U.S. veteran sample. Psychol Trauma. 2023 Nov; 15(8):1280-1287. PMID: 36074630.

    Read at: PubMed
  • Published on 8/30/2022

    Iverson KM, Dardis CM, Cowlishaw S, Webermann AR, Shayani DR, Dichter ME, Mitchell KS, Mattocks KM, Gerber MR, Portnoy GR. Effects of Intimate Partner Violence During COVID-19 and Pandemic-Related Stress on the Mental and Physical Health of Women Veterans. J Gen Intern Med. 2022 Sep; 37(Suppl 3):724-733. PMID: 36042090.

    Read at: PubMed
  • Published on 5/20/2022

    Huckins LM, Signer R, Johnson J, Wu YK, Mitchell KS, Bulik CM. What next for eating disorder genetics? Replacing myths with facts to sharpen our understanding. Mol Psychiatry. 2022 Oct; 27(10):3929-3938. PMID: 35595976.

    Read at: PubMed
  • Published on 4/4/2022

    Mitchell KS, Sienkiewicz M, Smith BN, Vogt D, Kehle-Forbes S, Cooper Z. Associations between probable eating disorders and healthcare use among post-9/11 veteran men and women. J Psychosom Res. 2022 Jun; 157:110811. PMID: 35413512.

    Read at: PubMed

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