“现在我们能够胸有成竹地说adhd是一种遗传疾病，患有此症的儿童的大脑和其他儿童的发育过程不同，”Anita Thapar教授说。

"Now we can say with confidence that ADHD is a genetic disease and that the brains of children with this condition develop differently to those of other children," said Professor Anita Thapar.

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如果这项研究能给那些遗传疾病的受害者如阿尔兹·海默病和帕金森病患者带来希望的话，“我认为这传递出了很强的信号，”他说。

If the research could yield hope for victims of degenerative diseases such as Parkinson's and Alzheimer's, "I think that sends a powerful message," he said.

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那些看上去可以负担得起的DNA测试，承诺要告诉你，你很有可能被某些可怕和不可避免的遗传疾病缠上身。

Those vaguely affordable DNA tests that promise to tell you just how likely you are to be stricken by some horrible and unavoidable genetic affliction in the future?

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