Volume s1-19, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


My part in this Symposium on Vitamin Deficiencies is limited to the clinical manifestations of B hypovitaminosis. Beri-beri has long been regarded as the classical example of B hypovitaminosis. It would, therefore, be logical to discuss the prominent groups of symptoms associated with beri-beri. But, because it is difficult, even under experimental conditions, to exclude a single ingredient from the diet of man and, at the same time, to supply all other necessary food factors in abundance, it is to be expected, in any particular case of beri-beri, that the conditions which have caused this syndrome have also brought about more or less deficiency of substances other than B. Therefore, it cannot be confidently asserted that all the symptoms which occur commonly in beri-beri are due to lack of vitamin B. Still less is it possible to be sure that symptoms of less regular occurrence in beri-beri are attributable to lack of vitamin B.


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  • Received : 30 Nov 1938
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