behavioral medicine
a field that applies behavioral theories and methods to the prevention and treatment of medical and psychological disorders. Areas of application include chronic illness, lifestyle issues (e.g., substance abuse, obesity), somatoform disorders, and the like. Behavioral medicine is an interdisciplinary field in which physicians, psychologists, psychiatrists, social workers, and others work together in patient care; it includes strong integration of biological, psychosocial, behavioral, and interpersonal perspectives in developing biopsychosocial models of illnesses and interventions to treat and manage them as well as to promote healthy behaviors. See also behavioral health.