Two of the most important problems yet to be solved regarding the energy metabolism of new-born infants are: (1) the reaction to food. that is, the amount of the specific dynamic action of food; and (2) the effect of crying on the energy exchanges. The present study represents an attempt to assemble data on both of these problems.Very few observations on the dynamic action of food in new-born infants have been recorded. Nearly all that we know about this subject in infancy has been learned from subjects which were at least 4 weeks of age. To review this knowledge very briefly, it may be recalled that Rubner and Heubner1 were of the opinion that they had demonstrated a dynamic effect of cow's milk in the case of their second normal infant, aged 7½ months, because this infant on a diet containing 44 per cent, more than its
MURLIN JR, CONKLIN RE, MARSH ME. ENERGY METABOLISM OF NORMAL NEW-BORN BABIES: WITH SPECIAL REFERENCE TO THE INFLUENCE OF FOOD AND OF CRYING. Am J Dis Child. 1925;29(1):1–28. doi:10.1001/archpedi.1925.04120250004001
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