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The Teeth and Vitamin D
The annual report of the Medical Research Council for 1930-1931, just issued, in discussing advances in our knowledge of food deals at length with calciferol, which is believed to be vitamin D in a pure state. "It seems almost incredible that a particular addition to the food so infinitesimal in amount, taken into the child's body for distribution to every part, should be so potent in its deep-seated activity as to make all the difference between crippling and disease on the one hand and healthy life and development on the other. We now have for the first time the description of a vitamin, or at least of a very close approximation to it, in terms of known chemical and physical characters. As soon as knowledge makes it possible, the public should have a guaranty that given foods have the value claimed for them. To a
LONDON. JAMA. 1932;98(15):1313–1315. doi:10.1001/jama.1932.02730410077020
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