… 260,000 residents live with serious mental illness. Demand is especially high for children and adolescents: more than one in three young people have experienced a … trauma in the past year, and according to the Massachusetts Association for Mental Health , rates of depression among youth continue to climb. By creating … with McLean and MGB Behavioral and Mental Health: A Unique Partnership As the only degree-granting member of Mass General Brigham, the MGH Institute brings …