This document discusses malnutrition, specifically protein-energy malnutrition. It defines malnutrition and describes the main types as kwashiorkor, marasmus, and marasmic kwashiorkor. The causes of malnutrition include social, economic, biological, and environmental factors. Clinical features depend on the type, severity, and duration of nutritional deficiencies. Assessment involves taking a history and conducting an examination. Management involves prevention, treatment of complications, dietary therapy starting with F100/F75 feeds, and nutritional/social rehabilitation with maternal involvement.