Studies in Vitamin B Deficiency

Studies of Vitamin Deficiency.

[Neurological manifestations in Vitamin B 12 deficiency].

Vitamin B-12 deficiency is a common problem encountered in developing countries of the world. In Europe and North America it is frequently encountered in the elderly and in people whose diets are compromised such as alcoholics. Recent data has shown that cobalamin deficiency may occur in 5% to 40% of the general population. The prevalence as stated earlier is higher in the elderly and in nursin...

Mepacrine Intoxication and Vitamin B Deficiency

J-'He occasional development of cerebral ^citation and other forms of psychoses in ^larial subjects treated with atebrin is the experience of many, and in the past was^ reported several times by various workers including ^ngsbury (1934), Udalagama (1935) and Hay ol. (1935). The exact mechanism of its Production is not yet known. Recently the ^riter came across four such cases of mental derangem...

Nitrous oxide-induced vitamin B(12) deficiency.

Two patients with asymptomatic vitamin B(12) deficiency developed a peripheral neuropathy 6-7 weeks after exposure to nitrous oxide during general anaesthesia, and 3 and 11 days after receiving cyclophosphamide. The serum B(12) concentration was less than 20 pmol/l and the symptoms resolved after B(12) replacement. We believe that the neurological symptoms were triggered by exposure to nitrous ...

Experimental Study of Clinical Vitamin B Deficiency.

Clinical disturbances incident to mild deficiency of vitamin B 2 in the diet, as opposed to frank deficiencies such as beriberi and pellagra, are commonly believed to be very rare in man and are thought to occur only when the diet is grossly abnormal or when there is serious interference with absorption from the gastro-intestinal tract. Certain observations made in this Gastro-Intestinal Sectio...