Nutritional Requirements In physical states.
Infancy and Adult: There is rapid growth and development of the body during the early phase of life to achieve unimpeded growth and ensure the normal growth and development of the body food must be provided in a way that is meet with the quantitative and qualitative standards of diet The infant diet is composed of milk largely and may be deficient of ascorbic acid A and D vitamins, therefore, the supplements these essential nutrients. The energy required per unit of body weight is greatest in infancy and declines through a later year of childhood in the first month of life the need is around 110 calories per kg body weight as against 40 calories per kg in adult. The requirement of proteins vitamins minerals and water is greater in infancy proportionate to the body size. The infant diet is composed of milk largely and may be deficient in proteins.
Adolescence: There is a marked acceleration of growth before sexual maturity and puberty. This phase of growth occurs earlier in females than in males. The needs pertaining's to more calories and other requirements should appropriate be met.
Pregnancy And Lactation: It has been demonstrated that complications of pregnancy are fewer and the infant's condition is better in women ion adequate diet is compare to those on poor diets. The pregnancy and period of lactation require a plane diet to meet the additional requirement to meet the essential nutrition, particularly the proteins mineral, and vitamins.
Old Age: The dietary requirements in old age are less than those of adults as the basal metabolism requirements of the former are reduced the consideration of diet should be to minimum satisfactory and healthful year and should be qualitative standard and contain an adequate amount of protein calcium and vitamins.
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