Redefinition of Mental Illness by the British Psychological Society

Two months ago, the British Psychological Society released a remarkable document entitled “Understanding Psychosis and Schizophrenia.”  This document describes mental illness as caused, not only by brain deficits, but also by abuse, deprivation, inequality, and other social experiences. Mental illness thus requires social and psychotherapeutic interventions, not just pills.
Here's a New York Times article on the subject.