Nutrient requirements for optimum health and function of aging physiological systems often are quite distinct from young ones. Recognition and understanding of the special nutrition problems of the aged are being intensively researched and tested, especially due to the increases in the elderly in the general population. In developed countries, economic restrictions and physical inactivity during aging can signifi cantly reduce food intakes, contributing to nutritional stresses and needs. Many disease entities and cancers are found with higher frequency in the aged. Cancer, trauma, or infectious disease can alter intakes and/or requirements for various nutrients
