Medicine: Vitamins

Like the old woman who lived in a shoe, the medical scientists who housekeep for vitamins have an unmanageable lot of charges. At present, for example, chemists believe that there are eight varieties of vitamin B, at least ten of D. One member of the vitamin B family is also known as vitamin G, another newcomer as factor Y. Two relatives of the C tribe are known as J and P. Most practical name-calling, so far as scientific convenience is concerned, would be to recognize each vitamin by its...

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