Feelings of confusion and difficulty concentrating.

迷惑感以及精力难以集中。

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About three-fourths of Iraqis report feelings of anger, depression and difficulty concentrating.

约三分之四的伊拉克人感到愤怒、低落、难以集中注意力。

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Other symptoms include indigestion, loss of appetite, difficulty concentrating, memory problems, clumsiness, feeling generally unwell, lack of energy, fatigue and irritability.

其他症状包括消化不良、没有胃口、难以集中精神、记忆有问题、笨拙、总体感觉不好、缺乏精力，疲倦和易怒。

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In the latest survey, 42 percent reported depression, 21 percent difficulty concentrating and 18 percent trouble sleeping.

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The symptoms of the illness include a numbing of emotions, difficulty concentrating and exaggerated startled responses to events.

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People with frontal lobe damage caused by accidents often find difficulty concentrating and are more easily distracted, research shows.

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