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Millstein, Rachel, Ph.D., M.H.S.

Assistant Professor, Department of Psychiatry
Director of Behavioral Interventions, Cardiac Psychiatry Research Program
Staff Psychologist, Behavioral Medicine Service
Massachusetts General Hospital


Dr. Millstein’s research focuses on developing multilevel interventions to promote physical activity and improve diet, with emphases on obesity prevention and chronic disease prevention. She is funded by the NIH to study the role of emotions in health behavior change (specifically physical activity), including the use of positive psychology to improve well-being and health behaviors. Her work has focused on patients with cancer, cardiovascular disease, diabetes, and metabolic syndrome, as well as helping children and older adults get active and lose weight. Dr. Millstein’s clinical work includes CBT, ACT and mindfulness-based strategies for managing depression, anxiety disorders, weight, and chronic health conditions.