I’m part of the team writing the next bible of psychiatry – for the first time, the DSM will use biology to understand mental disorders

Part of the challenge of finding a biomarker for mental illness is the environment's significant influence. rudall30/iStock via Getty Images Plus The “bible” of clinical psychiatry – the DSM, short for the Diagnostic and Statistical Manual of Mental Disorders – is one of the most popular psychiatry reference books around the world. Clinicians use it to diagnose patients and scientists use it to guide research. Despite its wide impact, the DSM has never integrated biology in its diagnoses of…