The object of this essay is to reduce the signification of the words "susceptibility," "predisposition" and "heredity."
In the progress of bacteriological knowledge, there is too little attention paid to the organic conditions of health, and the resisting power of the system in conflict with antagonistic forces. Thirty years ago, while engaged in the study of "Living Things," the writer had occasion to observe: "Man's life is inseparably linked with the plants and animals which coexist with him, and these are the issue of long anticipations and preparations, where all the changes produced in other objects occur according to a relation existing among the substances changed. Latitude, elevation, nature of the soil, degree of cultivation, relative position in regard to mountains, forests, rivers, etc., and general aspect of the neighborhood, all modify the condition of man, and prove his adaptability by such effects as serve to make him understand his
BELL AN. STAMINA. Read in the Section of State Medicine, at the Fortieth Annual Meeting of the American Medical Association, June, 1880. JAMA. 1889;XIII(22):767–770. doi:10.1001/jama.1889.02401180009002a
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