Science Seeks Cure for Listless Child; Scientists Seeking Ways to Cure the Listless Child
Natl Inst of Child Health and Human Development efforts to discover precise relationship of malnutrition, poverty and mental development revd; include studies in several cities, cooperative research in rural Guatemala; Dr M S Read stresses need to find critical points at which extra food and better nutrition can actually help development, in light of research indicating human's brain growth takes place before birth and up to age 2, after which nutrition may not significantly improve potential