17 Dec 2019 --- Rapid changes in low- and middle-income countries’ food systems are exacerbating the double burden of malnutrition. This twin presence of obesity and undernutrition is highlighted in a new four-paper report from the World Health Organization (WHO) and published in The Lancet. The experts are now calling for a new approach, with proposed actions ranging from improved antenatal care and breastfeeding practices to social welfare, and new agricultural and food system policies with healthy diets as their primary goal.