. "6. Energetics and Climate with Emphasis on Heat: A Historical Perspective." Nutritional Needs in Hot Environments: Applications for Military Personnel in Field Operations. Washington, DC: The National Academies Press, 1993.
SOURCES: Adapted from Johnson (1943) and Young (1977).
promised. Unpublished investigations from the University of Minnesota in the 1950s revealed that a loss of 125 g nitrogen was associated with measurable physiological deterioration, including a significant reduction in walking endurance and aerobic power. A review of the effects of prolonged semi-starvation has been set forth in a classic study by Keys et al. (1950). A further discussion of negative nitrogen balance based on the experience of those working at the University of Minnesota was prepared by Taylor and Keys (1958).
Undernutrition is always a problem in military operations for various reasons, among them psychological stress, supply problems, food prepara
TABLE 6-14 Cumulative Nitrogen Excretion (Urine and Sweat) During 16 Days on a 1000-kcal Carbohydrate Diet