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The author reminds the profession that psychiatry is a branch of medicine, that psychiatrists are physicians especially equipped to treat mental illness, and that the medical model of mental illness is valid, heuristic, and humanitarian. He presents new data bearing on the reliability of the diagnosis of schizophrenic illness and the importance of genetic factors in the transmission of that syndrome, arguing that the medical model is as appropriate for the major psychoses as it is for diabetes.
SEY MOUR S. KETY (Sun,) studied this question.