Total body water in malnutrition: the possible role of energy intake

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Abstract
1. Total body water (TBW) was measured using tritiated water in sixty-five children. The measurements were distributed throughout rehabilitation in order to define the effect of changing energy intakes.2. Oedematous children had a high TBW which decreased to the normal range during loss of oedema providing they were not receiving more than maintenance amounts of energy during this period.3. Marasmic children who had not received greater than maintenance amounts of energy had a normal TBW.4. Treatment with a high-energy diet was associated with an initial increase in TBW.5. The possible mechanisms for this phenomenon are discussed.