Mariana Merelo Lobo is the Operations Director at Action Against Hunger-UK. She discusses malnutrition, which affects 55 million children worldwide and claims the lives of 19 million severely malnourished children each year without treatment. Action Against Hunger has worked for over 30 years to address both the immediate and underlying causes of hunger and malnutrition in over 40 countries, helping over 4 million people annually. Despite progress, malnutrition remains a major public health issue and cause of death, illness, and long-term physical and mental impairment in children. Action Against Hunger is committed to building on its work to end malnutrition through a new five-year strategy focused on treating malnourished children, responding to disasters, and addressing the