多动症

zhǔn què de shuō tā de bìng shì duō dòng zhèng

准确地说，他的病是多动症。

The proper name for his condition is hyperkinetic syndrome.

gè jiā tíng zhèng zài cān yù yī xiàng yán jiū xiàng mù lái diào chá ér tóng duō dòng zhèng shì fǒu jù yǒu yí chuán xìng

80个家庭正在参与一项研究项目，来调查儿童多动症是否具有遗传性。

80 families are taking part in a research project to investigate if a childhood hyperactivity disorder is genetic.