ADHD and the Gut-Brain Connection: Can Diet Influence Symptoms? Inattention, impulsivity, and hyperactivity are some of the symptoms of Attention Deficit Hyperactivity Disorder (ADHD), a neurodevelopmental disorder that can impact both adults and children. Historically, behavioral therapy and medicine have been used to treat ADHD. Recent studies, however, indicate that nutrition and food may also be important in controlling the symptoms of ADHD. The...