Foreword; Contributors; Requirements for Protein and Energy; Long-Term Consequences of Early Feeding on Later Obesity Risk: Koletzko, B.; Energy Requirements of Infants and Children: Butte, N.F.; Protein Requirements of Infants and Children: Garlick, P.J.; Body Composition and Growth; Growth of Breast-Fed and Formula-Fed Infants: Ziegler, E.E.; Body Composition during the First Year of Life: Rigo, J.; Dietary Reference Intakes: Concepts and Approaches Underlying Protein and Energy Requirements: Yates, A.A.; High Intakes of Protein and Amino Acids; Intestinal Amino Acid Metabolism in Neonates: van Goudoever, J.B.; van der Schoor, S.R.D.; Stoll, B.; Burrin, D.G.; Wattimena, D.; Schierbeek, H.; Schaart, M.W.; Riedijk, M.A.; van der Lugt, J.; Amino Acid Requirements of Infants and Children: Pencharz, P.B.; Ball, R.O.; Effects of High Protein Intakes: Axelsson, I.; Complementary Foods; Physiology of Food Intake Regulation: Interaction with Dietary Components: Anderson, G.H.; Aziz, A.; Abou Samra, A.; Complementary Food: International Comparison on Protein and Energy Requirement/Intakes: Agostoni, C.; Riva, E.; Giovannini, M.; What is the Optimal Age for Introduction of Complementary Foods? Dewey, K.G.; New Proteins in Infant Feeding; Recent Issues in Energy-Protein Malnutrition in Children: Desjeux, J.-F.; Protein Quality and Quantity in Cow's Milk-Based Formula for Healthy Term Infants: Past, Present and Future: Mace, K.; Steenhout, P.; Klassen, P.; Donnet, A.; Recombinant Human Milk Proteins: Lonnerdal, B.; Concluding Remarks.