Protein-energy malnutrition (PEM), primarily caused by a lack of dietary energy and protein, is a common childhood disorder that most severely impacts children in which critical growth period?

Match the dietary categories of celiac disease management with their correct examples: 'ATHENA' Journal + 21. Safe foods2. Unsafe foods3. Risk of cross-contamination4. Naturally gluten-free grains Examples: A. Wheat-based bread B. Rice and maize C. Packaged oats processed in shared facilities D. Fruits and vegetables

In India, most cases of megaloblastic anemia are primarily caused by the deficiency of: