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AT LAST comes solid evidence that genes may predispose someone to developing schizophrenia.

of Cardiff University, UK, and colleagues found that a gene called ZNF804A increases the risk of the disorder by about 1 per cent (Nature Genetics, ). of the University of Aberdeen, UK, and colleagues discovered that when regions on chromosomes 1 and 15 are missing, the risk of schizophrenia can jump 15-fold (Nature, ).

Finally, the International Schizophrenia Consortium found that people with schizophrenia tend to have more 鈥渃opy number variations鈥� 鈥� repeated or missing gene fragments 鈥� than healthy individuals (Nature, ).

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