“他们的风险仍然很小，但尽管如此，当你与同胞兄妹没有精神分裂症的人比较，他们的风险仍比一般人群更大，”格鲁姆说。

"Their risk is still very small but, nonetheless, when you compare them with people with siblings who don't have schizophrenia, their risk is still greater than in the general population," said Groom.

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精神分裂症是被认为至少是部分遗传的，所以那些同胞兄妹患病的人患有精神分裂症的风险便会轻微增加。

Schizophrenia is thought to be at least partly inherited, so the siblings of people who have the condition have a slightly increased risk of also developing the disorder.

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科学家们已经发现那些有同胞兄妹患有精神分裂症的人们脑电图波形与正常人之间的细微差别。

Scientists have found that a type of EEG (electroencephalography) brain wave is slightly different in people who have siblings with schizophrenia, compared with that seen in the general population.

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