最新人口普查统计表明,我国现有弱智人口3800万。这是个令人震惊,令人担忧的数字。形成弱智的原因有哪些?其中又有哪些原因占主导地位?是否可以避免?这已成为当前提高我国民族素质,实施优生优育优教中的一个必须解决的重大问题。为了回答这些问题,天津市弱智儿童教育研究协作组近年来对415名弱智儿童,就24项致病原因进行了详细分析研究,并对染色体和微量元素做了抽样化验,最后得出的结论是;目前已出现的弱智儿童,其中大部分是可以避免的。协作组的研究人员在调查中发现,在导致儿童弱智的病理因素中,早产与早熟儿、产钳助娩不当、新生 The latest census statistics show that China’s existing mentally handicapped population of 38 million. This is a shocking and worrying figure. What are the reasons for the formation of mentally handicapped? Which are the reasons why they are dominant and whether they can be avoided? This has become a major issue that must be solved in improving the quality of our nation and implementing the eugenics. In order to answer these questions, in recent years, the cooperative group of mentally retarded children’s education in Tianjin conducted a detailed analysis on the causes of 24 pathogenic diseases among 415 mentally handicapped children and conducted sampling tests on chromosomes and trace elements. The conclusion was reached Most of the mentally handicapped children that have emerged are avoidable. Collaborative group researchers found in the survey, in the pathological factors leading to mental retardation in children, premature and premature children, forceps improper delivery, nascent