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Folate and vitamin B12 reduce disabling schizophrenia symptoms in some patients

Adding the dietary supplements folate and vitamin B12 to treatment with antipsychotic medication improved a core symptom component of schizophrenia in a study of more than 100 patients. The study focused on negative symptoms of schizophrenia -- which include apathy, social withdrawal, and a lack of emotional expressiveness. While the level of improvement across all participants was modest, results were more significant in individuals carrying specific variants in genes involved with folate metabolism.
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