The Association Between Attention-Deficit Hyperactivity Disorder and Gastrointestinal Symptoms: A Systematic Review and Meta-Analysis.
INTRODUCTION Attention-Deficit/Hyperactivity Disorder (ADHD) is a neurodevelopmental condition with rising prevalence worldwide. Although alterations in the gut-brain axis have been implicated in its pathophysiology, underlying mechanisms remain unclear. An increase of gastrointestinal (GI) symptoms is well documented...