Dr. Viren D’Sa, Director of Developmental Behavioral Pediatrics at Rhode Island Hospital/Hasbro Children’s Hospital, talks about the gut-brain axis and the role of nutrition in shaping myelination and brain function. He highlights the interplay between the gut microbiome and the enteric nervous system, which evolves with age, dietary influences, and microbial diversity. Dr. D’Sa also explores the bidirectional effects of the gut-brain axis on rapid brain development during childhood, emphasizing the importance of regulating this interaction.