Jennifer J. Thomas, PhD

Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts; Department of Psychiatry, Harvard Medical School, Boston, Massachusetts; Mass General Brigham Multidisciplinary Eating Disorder Research Collaborative, Mass General Brigham, Boston, Massachusetts

JCP
Differential Impact of Cholecystokinin and Ghrelin on 2-Year Avoidant/Restrictive Food Intake Disorder Symptoms
Original Research

May 20, 2026

Decreases in CCK and increases in ghrelin were associated with improvements in ARFID symptomology.
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JCP
Low Ghrelin and Anxiety in ARFID
Original Research

May 3, 2023

Low ghrelin levels were associated with greater anxiety in ARFID, indicating a potential target in the treatment of this disorder.
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JCP
Elevated CCK With ARFID
Original Research

July 11, 2022

Avoidant/restrictive food intake disorder (ARFID) is characterized by food avoidance unmotivated by body weight/shape concerns. This study explored if levels of the satiety hormone cholecystokinin are higher in individuals...
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PCC
Caring for Adults With Eating Disorders in Primary Care
Narrative Review

January 6, 2022

Here, read the most up-to-date screening and treatment guidelines and relevant studies concerning the care of adult patients with eating disorders, including concise guidance regarding the outpatient management of...
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JCP
Original Research

September 7, 2021

DSM-5 criteria for avoidant/restrictive food intake disorder (ARFID) include ambiguities that can affect access to treatment. This study looked at how differing definitions affect the number of individuals who...
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JCP
Original Research

February 22, 2017

Read a study following the course of illness in women with anorexia nervosa or bulimia nervosa to investigate both early and long-term recovery rates.
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JCP
Academic Highlights

November 23, 2016

Do low oxytocin levels in patients with anorexia nervosa (AN) result from low weight, or do they persist even after recovery? To answer this question, this study measured oxytocin...
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PCC
Article

October 15, 2014

Eating disorders are common among overweight individuals in primary care settings, but often go undetected. This study aimed to determine how self-report questionnaires perform in comparison to gold standard...
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