JOHN B. YOUMANS, M.D., F.A.C.P.
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It is a popular practice at the present time to give large doses of vitamins in various diseases. Three ideas seem to be the basis of this practice. First, is the belief that a vitamin deficiency may be related etiologically to the disease in question. Second, that the disease may cause or precipitate a deficiency, a so-called "conditioned deficiency." Third, that a preëxisting deficiency or one developing during an illness has an unfavorable effect on the course of the disease in question and that this unfavorable influence can be abolished by relieving the deficiency.
With regard to the first it
YOUMANS JB. THE INFLUENCE OF VITAMIN DEFICIENCIES ON OTHER DISEASES1. Ann Intern Med. ;13:980–986. doi: 10.7326/0003-4819-13-6-980
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Published: Ann Intern Med. 1939;13(6):980-986.
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