Protein-Energy Supplementation in Early-Life Decreases the Odds of Mental Distress in Later Adulthood in Guatemala.

Protein-energy supplementation during the first 1000 d of life in Guatemala, where undernutrition is prevalent, may reduce the prevalence of later mental distress in adulthood. This effect appears to occur directly, rather than indirectly, through pathways of life course variables such as education, wealth, and marital status.