The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (often abbreviated as DSM-5) is a comprehensive classification system used by mental health professionals to diagnose mental disorders. Published by the American Psychiatric Association, it provides standardized criteria and descriptions for various mental health conditions, facilitating consistent diagnosis and treatment across different practitioners. The DSM-5 includes detailed information on the symptoms, prevalence, and risk factors associated with each disorder. It serves as a vital resource for clinicians, researchers, and educators, helping to improve understanding and communication about mental health issues within the medical community and beyond.