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Nutrition
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Reduced caloric intake is routinely reported during long space missions and may partially explain the loss of tissue including muscle, bone and red cells. Flight studies should reveal alterations in absorption, metabolism and elimination of nutrients. The role of nutritional imbalances in immunological dysfunction, behavioral changes, pharmacodynamic alterations, and decreased resistance to radiation in space remains to be determined. On long missions, nutritious and appealing foods might be critical to adequate food intake and for psychological-social benefit. Nutritional requirements will define the design of any bioregenerative life support system that produces food. Proper nutrition presupposes adequate and safe food storage and delivery. Technology development must assure food safety and nutritional monitoring during a mission.
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