/l/ Deficiency eigne, when not Irreversible, may be alleviated and the animal restored to health by administration of 

 therapeutic doses of the vitamin. /26/ Requirement Is Increased In pregnancy and lactation. /29/ For man, the diverse 

 symptcns arc grouped under the syndrooe of beri-berl, sometimes subdivided into "cardiac" berl-berl, "wet" berl-beri, 

 "dry" (neurltlc, paraplegic) beri-berl. Requirement for thiamine is increased by thryoxln and ioBulin. 



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