Giving energy dense food supplements— Ready-to-Use Supplementary Food (RUSF), a lipid-based nutrient supplement—to young children in addition to a general food distribution in a country with food shortages (Chad) did not reduce levels of wasting (low weight for height, a sign of acute undernutrition) but slightly increased their height and haemoglobin levels according to a study conducted by the international non-governmental organization Action Against Hunger-France (ACF-France) in collaboration with European researchers published in this week's PLOS Medicine.