Richard Bentall and David Pilgrim offer their critique of genetic theories of schizophrenia for the Conversation. “The high heritability estimates reported in earlier quantitative genetic studies don’t rule out environmental influences, but have discouraged researchers from taking social causes seriously,” they write. “But we now know that there are proven strong associations between psychosis and a range of social risk factors, such as exposure to impoverished and urban environments, migration, childhood traumas (sexual or physical abuse and bullying by peers), and recent adverse experiences in adulthood.”
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