Abstract
An assessment has been made of metabolic factors possibly causing or contributing to the brain damage associated with chronic alcoholism, especially thiamin lack or disturbance of amino acid metabolism. Abnormalities in the thiamin-dependent enzyme, transketolase, provide evidence of a high incidence of thiamin deficiency as well as of disturbed thiamin metabolism in chronic alcoholics, which are likely to be caused by reduced vitamin intake as well as impaired absorption. A grossly disturbed pattern of amino acids in the blood of patients undergoing treatment for alcohol withdrawal syndromes is likely to be caused by loss of hepatic function and may well aggravate brain damage caused by B group vitamin deficiency. A hypothesis is proposed of how chronic thiamin lack can lead to brain damage.
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