Very Different Psychiatric Diagnoses Share Common Genes
Psychology Today | 22.01.2026 21:54
By integrating genome-wide data from a million+ people with 14 psychiatric disorders, a 2026 Nature study marked a turning point in psychiatric science, showing many common psychiatric diagnoses are not genetically separate diseases. Instead, they share genetic liability (five genomic factors) across major psychiatric diagnoses, shaped by neurodevelopmental biology and life experiences. These findings challenge the disease model in psychiatric diagnoses and the Diagnostic and Statistical Manual of Mental Disorders (DSM).
