Exploring serum neopterin and zonulin in children with attention-deficit/hyperactivity disorder: A case-control study of gut permeability and immune activation
Objective: Emerging evidence suggests gut-brain axis dysregulation and immune activation in ADHD. This study compared serum zonulin (intestinal permeability regulator) and neopterin (cell-mediated immunity marker) between children with ADHD and healthy controls, and explored associations with disease severity. Methods:...