精神疾病是以精神活动失调或紊乱为主要表现的一类疾病,包括精神病、精神发育不全、神经症、病态人格和心身疾病.据近代研究表明,精神疾病中的部分病种与遗传因素有明显关系,因此在预防问题方面必然同优生学有密切的联系.早在1883年高尔顿(F.Galton)提出“优生学”一词时,就解释为:优生学是在社会控制下,研究改善或损害人类未来子孙的精神及躯体素质的动因.由此可见,优生学刚萌芽 Mental illness is a group of diseases mainly manifested by disturbance or disorder of mental activity, including mental illness, mental retardation, neurosis, morbid personality and psychosomatic disease.Modern studies have shown that some diseases and genetic factors in mental illness are obvious So it is inevitable that there is a close link between eugenics in the area of ​​prevention and as early as 1883 when F. Galton proposed the term “eugenics,” it was explained that eugenics is under social control, Improve or damage the future of human descendants of the spirit and motivation of physical quality.Thus, eugenics just bud