Note 105 — Chapter XXIII · Reflex Neuroses and the Prepuce.

It may well be a question, considering the well-established fact that nervous injuries and affections are easily transmissible and become hereditary, how much feeble-mindedness is due to an heredity originally induced in either parent through reflex neuroses from the genital organs. The Jews have a very small percentage of feeble-minded; it is true that they have not any inebriates to assist in their manufacture, but still the absence of these well-pronounced cases of reflex neuroses among the race must be largely ascribed to their practice of circumcision, as that operation cures the gentiles so afflicted.