Word: vitamins
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Dates: during 1920-1929
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...five previously known are: Vitamin A, which stimulates body growth; Vitamin B, which prevents neuritis (beriberi is the characteristic disease when Vitamin B is lacking); Vitamin C, which prevents scurvy (see below); Vitamin D, which prevents rickets; and Vitamin E, which must be present if an animal is to be fertile...
...young rats Dr. Evans, head of the University of California's department of anatomy, fed all five vitamins with nourishing, highly purified casein and recrystallized cane sugar. The rats remained half grown and sexually immature. Previous experiments had shown that rats given food that contained the five vitamins thrived normally. Clearly, Dr. Evans' diet lacked some element present but not recognized in the foods of foregoing vitamin experiments...
...aides decided that both liver and lettuce contained some element the lack of which prevented physical maturity. They reduced that common element of lettuce and liver to a form that was relatively pure as a physical preparation but intricately complex as a chemical compound. They named it Vitamin F and guarded well their research. Immediately upon the public announcement last week, Dr. Evans took train for Manhattan, and a long awaited trip to Europe...
Besides this influence, the Johns Hopkins students discovered, vitamin E helps the red blood cells absorb iron from foods. The iron is necessary to the red cells because it helps them carry oxygen from the lungs to all parts of the body. Scientists know that the presence of vitamin D in the body aids the bones in absorbing lime. They now begin to think that some vitamin exists to help the body assimilate each mineral essential to existence...
...Karl Koessler of Chicago utilized the new knowledge of vitamin E (see above) in devising a dietary treatment for pernicious anemia which he reported to the Chicago Society of Internal Medicine last week. Victims of pernicious anemia cannot, for reasons not yet entirely solved, manufacture red blood cells. To aid this manufacture Drs. George R. Minot and William P. Murphy devised a diet rich in iron compounds-liver, kidneys, gizzards. Dr. Walter W. Palmer of Manhattan proved this diet beneficial (TIME, Dec. 20). One reason for its good effects was that the liver, in particular, contained, besides iron, vitamin...