A study of 1.3 million people in Sweden found that the risk of being diagnosed with schizophrenia or other psychoses was three times higher in refugees than in the Swedish-born population, supporting the theory that schizophrenia and other psychoses are influenced by life experiences.

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A study of 1.3 million people in Sweden found that the risk of being diagnosed with schizophrenia or other psychoses was three times higher in refugees than in the Swedish-born population, supporting the theory that schizophrenia and other psychoses are influenced by life experiences.