In this study of anxiety and intelligence.patients with general anxiety disorder (GAD) were compared with healthy volunteers to judge the relationship between intelligence quotient(IQ)， worry and metabolism(新陈代谢)of choline in the subcortical white matter.In the group of normal volunteers，high IQ was connected with a lower degree of worry，but in those patients with GAD，high IQ was connected with a higher degree of worry.The relation between IQ and worry was important in both the GAD group and the healthy group.However，in the former，the effect was positive and，in the latter，the effect was negative.18 healthy volunteers(8 males and 10 females)and 26 patients with GAD(12 males and 14 females)served as subjects.

　　Earlier studies have indicated that excessive(过多的)worry tends to exist both in people with higher intelligence and lower intelligence，and less so in people of moderate(适度的)intelligence.It has been supposed that people with lower intelligence suffer more anxiety because they achieve less success in life.

　　信不信由你，一个人的焦虑未必全是坏事。最新的研究表明，过多的担忧事实上是和一个人的智商共同发展的，甚至有可能对人的智力提高有促进作用。

　　5．In the past，people thought too much worry______.

　　A．was nothing serious since it had no effect

　　B．encouraged them to go ahead

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