Urgent action is needed to address the millions of children suffering from hunger and malnutrition worldwide, according to the authors of a study which tracked the health of children over 15 years.The findings, published in The Lancet Child and Adolescent Health, emphasise the pressing need for action to save lives short-term, but also interventions to ensure the long-term health, development and well-being of children who have survived episodes of early-life malnutrition.