嗯。原文里有这么一段话：

The rapid rise in diagnosis, which is not necessarily equivalent to a rise in the actual condition, must be due in part to cultural factors -- a willingness to label certain symptoms as indicating ADHD, increased cultural acceptance of doing so and increased dissemination of information labeling ADHD as a "condition," he said.

现在医生更倾向于把有特定的症状的儿童诊断为小儿多动症患者。

所有跟帖： 

• 主要是通过症状诊断的。 -viewfinder- ♀ (157 bytes) () 11/13/2010 postreply 15:28:45

• 是啊。男女比例3：1以上。自闭症也是男孩多得多。 -viewfinder- ♀ (0 bytes) () 11/13/2010 postreply 18:13:07