Teens who drank the most sugary soft drinks also had more mental health problems such as hyperactivity and distress, Norwegian researchers have reported.

挪威研究人员报道，喝高糖软饮料的年青人患有更多的精神健康性疾病，如多动症或忧郁症等。

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Stimulant medications, such as Ritalin, can help increase a child's attention span while controlling hyperactivity and impulsive behavior.

像利他林之类的兴奋类药物能够延长注意力时间，同时控制多动、冲动的行为。

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But the figure could be the tip of the iceberg as it does not include a rising number of hyperactivity and behavioural problems such as ADHD.

但是这个数字可能只是冰山的一角，因为它并不包括多动症和行为问题如注意缺损多动障碍等越来越高的发病率。

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Maryse Bouchard says the study found that exposure could play a part in behaviors such as inattention and hyperactivity.

VOA: special.2010.05.26

And there was no association between TV or any screen time and other issues such as hyperactivity or problems interacting with friends.

BBC: TV time 'does not breed badly behaved children'

The researchers assessed children at the age of three-and-a-half for signs of emotion problems, such as worry and sadness, and behavioural problems, such as hyperactivity.

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What undoubtedly benefits a small number of children with specific problems, such as hyperactivity, can all too easily become an instant, cheap cure-all for youngsters who may be misbehaving because they are bored, miserable, badly nourished or for any other reason.

ECONOMIST: Education: Behave, or else | The