DSM to Incorporate Biology in Mental Disorder Diagnoses

The American Psychiatric Association plans to release a new edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM) that incorporates biology into its diagnoses. This change comes after years of criticism from clinicians and researchers about the lack of objective biological measures in the manual. The new edition will take a nuanced approach to incorporating neurobiology into the diagnosis of psychiatric conditions, using biomarkers to evaluate biological processes. Biomarkers are characteristics that can be objectively measured and used to evaluate a biological process, such as blood tests or imaging scans. However, finding biomarkers for mental illness has been challenging due to the environment's significant influence and the subtle biological changes underlying mental illness. Researchers have made advances in neurobiology, including biomarkers for Alzheimer's disease, immune factors, and genetic risk factors. These advances may help psychiatry transition towards a more comprehensive understanding of mental disorders.