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July 1955

The Rapid Intravenous Glucose Tolerance Test in Psychiatric Patients

Author Affiliations

Minneapolis With the Technical Assistance of Muriel Vanderbilt, B.S.

From the Psychiatric Service, VA Hospital, and the Departments of Medicine and Psychiatry, University of Minnesota.

AMA Arch NeurPsych. 1955;74(1):40-45. doi:10.1001/archneurpsyc.1955.02330130042007

A number of reports have appeared in the literature describing abnormal glucose tolerance in various mental disorders as measured by reduction in tolerance for ingested sugar. Carbohydrate metabolism is extremely complex and is interrelated with the fat and protein metabolism as well as with mineral metabolism. The measurement of one particular phase of carbohydrate metabolism by observation of the manner in which the organism utilizes a given amount of sugar gives rise to speculation that changes are occurring throughout the body, both within the cells and in the extracellular fluids, influencing all the metabolic processes in a chain reaction type of circuits and cycles. To date, no means of measuring total metabolism has been devised, and we must content ourselves with the piecemeal type of approach, subject to our limited techniques, and attempt to draw workable conclusions. The relationship between carbohydrate metabolism and mental illness became apparent first in 1928,

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