The document discusses malnutrition and nutritional assessment. It defines nutrition security and explains that while a family may be food secure, individuals can still be nutritionally insecure. It also outlines different types of malnutrition including undernutrition which arises from inadequate food intake and marasmus and kwashiorkor which are protein-calorie malnutrition conditions. The document describes how to measure malnutrition through anthropometric measurements like weight, height, mid-upper arm circumference and edema. It explains the objectives of anthropometric assessments including identifying those at risk of death and selecting individuals for feeding programs.