![Among the Jews the proportion of insane has been observed to be very large. From statistics collected by Buschan he concludes that they are four to six times more liable to mental disease than are non-Jews. […] As is the case with all the physical, mental, and intellectual traits of the Jews, consanguineous marriages have been considered a cause of a great part of the insanity among them. The Jews, it is well known, are very neurotic, as is manifested by the frequency of various nervous affections among them and the marriage of relatives who are affected by a neurotic taint has been positively proved to be detrimental to the succeeding generation.](/posts/0296/featured.png)
Among the Jews the proportion of insane has been observed to be very large. From statistics collected by Buschan he concludes that they are four to six times more liable to mental disease than are non-Jews. […] As is the case with all the physical, mental, and intellectual traits of the Jews, consanguineous marriages have been considered a cause of a great part of the insanity among them. The Jews, it is well known, are very neurotic, as is manifested by the frequency of various nervous affections among them and the marriage of relatives who are affected by a neurotic taint has been positively proved to be detrimental to the succeeding generation.
Jewish Encyclopedia, “INSANITY”, 1906