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October 17, 1925


Author Affiliations

Chicago. Cancer Laboratory, Otho S. A. Sprague Memorial Institute, University of Chicago.

JAMA. 1925;85(16):1242. doi:10.1001/jama.1925.02670160068027

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To the Editor:  —I am quoting from the remarks of Dr. F. C. Wood of New York (The Journal, October 3, p. 1050) on the subject of cancer heredity: "Of course, the animal experimentation done by Maud Slye in Chicago and by Bullock and Curtis in my laboratory have definitely proved that in animals a susceptibility to cancer is transmissible. Of that there is no question. The breeding experiments, however, are so complicated and take so long that if they were applied to human beings it would mean that for the last 5,000 years both parents of these unfortunate human beings would have had to have cancer. That is a concentration of breeding which cannot occur in the human race. So the facts of the high incidence of cancer in these experimental studies cannot be applied in full value to human beings."Exactly what Dr. Wood meant in the portion

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