Percent decrease in endogenous glucose production (A) and percent increase in glucose utilization (B) subdivided by various insulin infusion rates administered to neonates and 2 mU/kg per minute administered to adults. Percent decrease in endogenous glucose production (A) and percent increase in glucose utilization (B) subdivided by various insulin infusion rates administered to neonates and 2 mU/kg per minute administered to adults. From Farrag HM, Nawrath LM, Healy JE, et al. Persistent glucose production and greater peripheral sensitivity to insulin in the neonate versus the adult. Am J Physiol. 1997;272:E86–E93. Anusha H. Hemachandra, and Richard M. Cowett Pediatrics in Review 1999;20:e16-e24 ©1999 by American Academy of Pediatrics