PSYCHOTHERAPY SCIENTIFIC AND RELIGIOUS

A Broad Perspective on Mental Healing

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I
HEALTH AND DISEASE
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parents are psychotic, the children are more likely to develop mental illness than if the parents are healthy. If both parents are schizophrenic, over half of the children are also schizophrenic and an additional 29 per cent, are psychopaths with schizophrenic tendencies. If both parents have affective psychoses, 62 per cent, of the children develop these illnesses and the remainder are otherwise abnormal. When only one of the parents is schizophrenic, 10 per cent, of the children are similarly affected and in addition about 35 per cent, are psychopaths with schizophrenic tendencies. If only one of the parents has an affective psychosis, over 30 per cent, of the children have the same disorder, and as many more show minor cyclic emotional deviations. In an average population it has been estimated that the expectancy of affective psychoses is about 4 per cent., while that of schizophrenia is 8-5 per cent. The influence of heredity factors is thus apparently quite marked, and if we are to draw conclusions from statistical data alone the outlook for the progeny of the mentally sick is rather gloomy. That is why Dr. Rudin I99 and like-minded people are so enthusiastic about sterilization.
Studies of psychoneurotic disorders appear to be even more startling in that they disclose a history of these illnesses in over 80 per cent, of the families of the persons affected.173 It would seem that with each general type of personality disorder a very high incidence of illness is found in the family. However, there are many sources of error in these studies, among them the failure to take into consideration the age of the individuals who compose the group. With increasing age the percentage of illness grows larger. Perhaps the most serious defect is the lack of accurate information regarding the incidence of personality disorders in the families of so-called normal individuals. If the truth were