1994j-841 2011d-012 aged congresses control diets diettherapy diettherapyfortheaged eatingdisorders fitness foodcontamination foodcontentguides foodpreservation foodservice health inoldage long-termcare medical militaryhygiene militarymedicine militarypersonnel nursing nursinghomes nutrition nutritionalaspects nutritionalphysiologicalphenomena nutritionalrequirements nutritionassessment nutritionpolicy olderpeople operationalrations(militarysupplies) physiological prevention qu145f68791994 rehabilitation soldiers stress stress(physiology) taskperformanceandanalysis unitedstates wt115