Dr. Vikram Patel, professor of international mental health and the Wellcome Trust Senior Clinical Research Fellow at the London School of Hygiene and Tropical Medicine, discusses a community model in developing countries that empowers patients with mental illness to use collaborative psychosocial intervention. In India, where there are 3,000 psychiatrists for 1 billion people, technicians can be trained to diagnose and treat depression and anxiety with cost-effective results. Hosted by Dr. Maurice Pickard.