This book offers a state-of-the-art overview of the vital relationship between human microbiota and infant and child health. Renowned clinical-experimental experts in this field discuss the development of microbiota during early life and review the environmental inputs that affect the developing infant’s gut microbiota, such as early diet and (postnatal) medical interventions. They further describe the interplay between gut microbiota and functional systems of the body, from the immune system to the central nervous system. The book discusses a range of infant and childhood diseases that are...