A new study finds that the rise in attention deficit hyperactivity disorder, or ADHD, is not a uniquely American phenomenon.

一项新的研究发现，注意力缺陷多动障碍、或称adhd病例的增加，并不是美国独有的现象。

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She said there was evidence linking TV viewing with Attention Deficit Hyperactivity Disorder (ADHD) while extensive texting was associated with lower IQ scores.

她说，有证据显示看电视和注意缺陷多动障碍（ADHD）有关，而广泛的短信是智商较低有关。

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Attention Deficit Hyperactivity disorder, ADHD, is one of the most common mental disorders that develop in children.

注意缺陷多动症是儿童在成长中最常见的心理障碍之一。

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By the DSM-IV definition, the term ADHD includes both ADHD with hyperactivity (the H in ADHD) and ADHD without hyperactivity.

NPR: Excerpt: 'Delivered from Distraction'

Adults with attention deficit hyperactivity order (ADHD) do not get enough support from the NHS, a support group has claimed.

BBC: ADHD Oxfordshire support group criticises NHS

It is believed that sleep deprivation may harm neurological development and can contribute to behavioural problems including attention deficit hyperactivity disorder (ADHD).

BBC: Children losing out on sleep