Nutrition & Food Sciences

Nutrition, Health & Aging

Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism, and excretion. The role of nutrition in aging. Nutritional requirements do not change appreciably with age among adults. ... The reduction in food intake and the tendency of old people to eat the same diet day after day makes them potentially vulnerable to possible deficiencies in specific vitamins, minerals, and protein.