Committee on Military Nutrition Research Activity Report 1992-1994 (1994) / Chapter Skim
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F Conclusions and Recommendations from the Workshop Report: Nutritional Needs in Hot Environments, Submitted March 1993
F Conclusions and Recommendations from the Workshop Report: Nutritional Needs in Hot Environments, Submitted March 1993
Pages 103-114
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From page 103... ...
Appendix F Conclusions anc! Recommenciations from the Workshop Report: Nutritional Neecis in Hot Environments Submitted March 1993
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From page 105... ...
In addition, there is considerable individual variation. Recent evidence suggests that slight increases in protein may be required for work in hot environments, however the MRDA already includes an amount sufficient to meet this increased level given adequate consumption of kilocalories.
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From page 106... ...
provide for these changes? The variations in nutrient requirements, including sodium, that may occur as a result of working and sweating- in a hot environment are reasonably covered by the nutrient content of the MRDAs, because the MRDAs provide generous allowances over most nutrient requirements.
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From page 107... ...
With the hydration regimens in place in the military, which appear to encourage adequate fluid intake, and the awareness among military personnel of potential heat stroke, the observation in laboratory animals of markedly decreased food intake to prevent hyperthermia is probably not a significant concern within the military population. Other factors such as psychological stress may further depress food intake.
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From page 108... ...
To maximize the energy intake of military personnel in hot environments in which significant physical activity is required, maintenance of adequate hydration status should be a primary objective of all policies related to soldier readiness. Maintenance of states of proper hydration was also identified as the most critical issue facing soldiers in desert environments in an Army report on food management issues written during Operation Desert Storm (Norman and Gaither, 1991~.
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From page 109... ...
Limited evidence suggests that net calcium absorption may be reduced as a result of increased fecal losses during profuse sweating while working in hot environments. Some investigators have reported reduced intestinal absorption during exercise.
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From page 110... ...
Of primary consideration is maintaining adequate fluid intake to avoid dehydration and consequent decreased food intake. This topic has been addressed in a previous CMNR report, Fluid Replacement and Heat Stress (Marriott and Rosemont, 19914.
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From page 111... ...
population. Future Research Needs · The decreases in food intake that normally occur in hot environments and the previous lack of research emphasis on this subject urge the investigation of factors that affect food intake in a hot ambient environment.
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From page 112... ...
· More research is needed to evaluate the impact of adequate mineral intake on physical performance in a hot environment. Such research would allow the development of more specific recommendations concerning circumstances in which mineral supplements or food fortification is indicated.
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From page 113... ...
Gaither 1991 Review of Army Food Related Operations in Hot Desert Environments. Technical Report Natick/TR-91/008.
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