Although, in principle, it would be desirable to determine the requirements of children, in the same way as for adults from measurements of energy expenditure, this approach involves many difficulties in practice. Information is indeed available on the BMRs of children of all ages for which prediction equations are given in Table 5. However, in young infants, in whom the requirement for growth is a substantial component of the total requirement for energy, there are large variations within the normal range, in the rate of growth, and probably also in the composition of the tissue laid down. Moreover, for both infants and children, it is not possible to specify with any confidence the allowance that should be made for a desirable level of physical activity. We have therefore followed the example of the Committee la and estimated the energy requirements from birth to 10 years from the observed intakes of healthy children growing normally. Up to 6 months of age the Committee la used the results collected by Fomon et al.
Systemic lupus erythematosus SLE or lupus is a disease in which the immune system is overactive and does not function properly.
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