Nutritious food is one that contains all the essential nutrients - proteins, fats, carbohydrates, vitamins and minerals. A well balanced diet should contain all these in correct proportions and adequate amounts. Proteins, fats and carbohydrates provide the energy required for various activities. Vitamins and minerals do not supply energy but play an important role in the regulation of several essential metabolic processes in the body.
As people become older, do they need less food?
The energy requirements of a person decrease with increase in age. This is because of a lowered basal metobolic rate and lessened physical activity. There is an 8% reduction per decade from 55-75 yrs.
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