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An attempt is made in this book to discern some phases of the racial factor in the etiology of malignancy. Heretofore, attempts along these lines have failed to prove that ethnic derivation is an important factor. There have been various and sundry claims that the Jews, as compared with the nations and peoples among which they live, show differences in the incidence and the organs affected with malignant growths. Indeed, about thirty years ago several authors asserted that the Jews were immune to cancer, which of course was soon disproved. In this study, Dr. Sorsby analyzed the vital statistics of London, Vienna, Budapest, Warsaw and Leningrad and arrived at the sound conclusion that "the incidence of cancer among Jews in any city follows closely that obtaining among their fellow citizens." Available statistical evidence favors the view that "there is a closer relationship between the Jews and the non-Jews of any
Cancer and Race: A Study of the Incidence of Cancer Among Jews.. JAMA. 1932;98(3):254. doi:10.1001/jama.1932.02730290070033