Psychiatric disorders and diabetes are highly associated in psychiatric and primary care settings. The purpose of the current article is to examine the risk factors for diabetes among individuals being treated for psychiatric disorders in mental health care settings. Guidelines for promotion of healthy lifestyles, screening for risk factors, early identification and treatment of prediabetes, and collaborative care to manage the disease are discussed. [ Journal of Psychosocial Nursing and Mental Health Services, 62 (9), 7-10.].