Cause: Trauma

The psychiatric establishment is about to experience an earthquake that will shake its intellectual foundations. When it has absorbed the juddering contents of the latest edition of one of its leading journals, Acta Psychiatrica Scandinavica, it will have to rethink many of its most cherished assumptions. Not since the publication of RD Laing's book Sanity, Madness and the Family, in 1964, has there been such a significant challenge to their contention that genes are the main cause of schizophrenia and that drugs should be the automatic treatment of choice.

With his colleagues, guest editor John Read (whose name I shall use as a generic term for this body of evidence), a leading New Zealand psychologist, slays these sacred biological cows. The fact that some two-thirds of people diagnosed as schizophrenic have suffered physical or sexual abuse is shown to be a major, if not the major, cause of the illness. Proving the connection between the symptoms of post-traumatic stress disorder and schizophrenia, Read shows that many schizophrenic symptoms are directly caused by trauma.

The cornerstone of Read's tectonic plate-shifting evidence is the 40 studies that reveal childhood or adulthood sexual or physical abuse in the history of the majority of psychiatric patients (see, also, Read's book, Models of Madness). A review of 13 studies of schizophrenics found rates varying from 51% at the lowest to 97% at the highest.

Read the full article here: The Guardian