Skip to main content

Rhonda M Merwin

Professor in Psychiatry and Behavioral Sciences
Psychiatry & Behavioral Sciences, Adult Psychiatry & Psychology
Box 3320 Med Ctr, Durham, NC 27710
2400 Pratt Street, Durham, NC 27705

Overview


Rhonda M. Merwin, PhD, is a Professor in the Department of Psychiatry and Behavioral Sciences. Dr. Merwin has expertise in eating disorders, Acceptance and Commitment Therapy (ACT), and psychological concerns in the management of Type 1 diabetes. She a Fellow and the current President of the Association for Contextual Behavioral Science, and 1 of 116 peer-reviewed ACT trainers worldwide. Dr. Merwin is leading work to address eating disorders in type 1 diabetes, a dangerous comorbidity that disproportionately affects women, and studies on the mechanisms of eating disorder development, maintenance and processes of change, and digital early interventions. Her research is funded by the National Institutes of Health (e.g., NIDDK, NIMH) and Breakthrough T1D (formerly the Juvenile Diabetes Research Foundation, JDRF), among other sponsors. Dr. Merwin is the author of ACT for Anorexia: A Guide for Clinicians. Her lab focuses on problematic eating and weight control, or more broadly, problems that arise from an adversarial relationship with the body or the body's cues, and/or difficulty reading and responding to internal cues to meet one's physical and emotional needs. Her treatment development work integrates digital and mobile technologies to increase treatment access and for momentary assessment and intervention. Dr. Merwin directs the ACT Clinic at Duke which provides clinical services in ACT and in-depth training in ACT for psychiatry residents, clinical psychology graduate students, interns and fellows. She also teaches a psychotherapy course for psychiatry residents in the School of Medicine and conducts continuing education events/workshops locally, nationally and internationally. For more information about Dr. Merwin's research, education and clinical activities, see ACTatDuke.org.

Current Appointments & Affiliations


Professor in Psychiatry and Behavioral Sciences · 2025 - Present Psychiatry & Behavioral Sciences, Adult Psychiatry & Psychology, Psychiatry & Behavioral Sciences

Recent Publications


Fear of hypoglycemia and disordered eating behavior in type 1 diabetes

Journal Article Eating Behaviors · December 1, 2025 Individuals with type 1 diabetes (T1D) are at elevated risk for disordered eating behaviors (DEBs). When DEBs occur in someone with T1D, they have severe consequences, including increased risk of diabetes-related medical complications and early mortality r ... Full text Cite

Acceptance and Commitment Therapy for Eating Disorders.

Journal Article Psychiatr Clin North Am · September 2025 Acceptance and commitment therapy (ACT) conceptualizes eating disorders (EDs) as rigid attempts to solve the problem of human suffering through food, eating or weight control. Case formulation and intervention is based on functional assessment of ED behavi ... Full text Link to item Cite

A Scoping Review of the Relationship Between Psychological (In)flexibility and Living with and Managing Type 1 and Type 2 Diabetes.

Journal Article Behav Sci (Basel) · June 9, 2025 Diabetes Mellitus (DM) is highly prevalent and carries a significant self-management burden and elevated risk of biopsychosocial sequelae. Psychological flexibility (PF) has been shown to benefit living with and managing chronic health conditions. The pres ... Full text Link to item Cite
View All Publications

Recent Grants


FlexED: A Digital, Gamified Early Intervention for Eating Disorders based on Acceptance and Commitment Therapy

ResearchPrincipal Investigator · Awarded by National Institute of Mental Health · 2022 - 2028

Changing the T1DE: A randomized controlled trial comparing ACT to supportive diabetes counseling

ResearchPrincipal Investigator · Awarded by Juvenile Diabetes Research Foundation · 2022 - 2027

North Carolina Diabetes Research Center Alzheimer's Supplement

ResearchCo-Principal Investigator · Awarded by Wake Forest University School Of Medicine · 2021 - 2022

View All Grants

Education, Training & Certifications


University of Mississippi · 2006 Ph.D.

External Links


ACT at Duke