small group of students for whom it was intended. Among the topics with which the well informed person is supposed to be acquainted, the science of dietetics is rapidly taking a more prominent place. Nearly everyone has at some time been placed by his (or her) physician upon a diet restricted in one of its main constituents,?protein, fat, and carbohydrate. We hear of the "purin-free" diet for epileptics or for gouty people, and the "low-protein" diet for those suffering from intestinal disorders or incipient tuberculosis. We are advised to eat salads for the sake of the mineral elements contained in green vegetables, and to use brown rice and whole wheat flour rather than the common white varieties in order to secure more of the same mineral substances.
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