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October 23, 1926


JAMA. 1926;87(17):1408-1409. doi:10.1001/jama.1926.02680170062027

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The Düsseldorf Session of German Scientists and Physicians 

VITAMINS  At the recent Düsseldorf session of German scientists and physicians, Professor Stepp, director of the Medizinische Klinik in Jena, reported on the present status of vitamin research. The most important results have been attained in the field of fat-soluble vitamins. It has been shown that vitamin A occurs in brewers' yeast unassociated with other vitamins. If the yeast is fed to young rats, stoppage of growth and severe eye affections result from the lack of other vitamins. Owing to the same cause, night blindness may occur. The less protein a food contains, the sooner the manifestations associated with a lack of vitamin A appear. It is significant that in Denmark such manifestations, together with increasing mortality from tuberculosis and increasing child mortality, were noted when there was an increase in the amount of butter exported. Nature forms vitamin A in green

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