A meta-analysis found that people with attention-deficit/hyperactivity disorder (ADHD) have significantly higher statistical odds of multiple gastrointestinal (GI) symptoms (eg, constipation, diarrhea, abdominal pain, irritable bowel syndrome, etc.) than those without an ADHD diagnosis. The analysis published in the Journal of Attention Disorders included 23 studies representing more than 1.9 million participants, which based findings on validated symptom instruments as well as self-reported patient symptoms. Overall, ADHD was associated with 48% higher odds of GI …
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