The author responds to an article that proposes a mechanism to statistically test the difference in the relative contribution of the size of each parent to a child's birth weight and rate of weight gain during infancy—two factors associated with the development of obesity—urging...

This article presents findings from a randomized controlled trial of 1,279 healthy newborns in Ulaanbaatar, Mongolia, on the effects of swaddling—the tight, prolonged binding of infants—on development.