Nutrition is know to interact with the process of aging in many ways. Nutrition problems of the older population are increased due to susceptibility to chronic disease, decreased organ function which may affect digestion and absorption, metabolism, and excretion of nutrients. Eighty percent of people over 65 suffer from at least one chronic disease and nutrition is an important factor on there prevention and recuperation from the disease.
Caloric needs change with aging due to a greater percentage of body fat and lower percentage of lean muscle. Decreased activity can cause further decreases in calories. The challenge is to meet the same nutrient needs as when younger but consuming fewer calories. The answer to this is to choose nutrient dense foods. Protein needs are not thought to change for the elderly, although protein requirements may vary due to restrictions or disease.
Reducing the overall fat content in the diet of an elderly person is reasonable , it is eating no more than 30% of daily calories from fat is desirable. Carbohydrate intake should comprise 60% of the calories. Emphasis should be placed on complex carbohydrate. Glucose tolerance decreases...
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