Policies to reduce undernutrition include child development

[...] were no long-term effects of nutritional supplementation, either alone or in combination with cognitive or social stimulation.79 Although the nutritional intervention may have been too little too late, the long-term effects of the cognitive or social stimulation are consistent with evidence from middle-income and high-income countries on the beneficial effects of early intervention.3,10 The extent of undernutrition and loss of developmental potential is far reaching: in children under 5 years, 112 million are underweight, 178 million are stunted, and over 219 million do not reach their developmental potential, which places an enormous burden on the children, their families, and their societies.