"It has long been known that good nutrition is essential to children's physical and cognitive development, but recent evidence sheds new light on the optimal timing of interventions to improve child nutrition and the long-term effects of such interventions. Recent studies have shown that...

This paper examines the impact over the life course of early childhood growth failure as measured by achieved height at 36 months. It uses data collected on individuals who participated in a nutritional supplementation trial between 1969 and 1977 in rural Guatemala and who were subsequently...