AI Insight
A comprehensive review by University of Warwick researchers analyzing data from over 1.9 million people across 23 studies found a significant association between ADHD and gastrointestinal problems. People with ADHD showed a 50% increase in overall GI symptoms compared to those without ADHD, with specific conditions showing even stronger associations: nearly double the odds of constipation, 58% higher rates of irritable bowel syndrome, and more than four times the likelihood of encopresis (loss of bowel control).
Why it matters
This finding suggests that screening for gastrointestinal issues should be considered as part of comprehensive ADHD care, and could inform treatment approaches that address both neurological and digestive symptoms. The strong association may also provide clues about shared biological mechanisms between ADHD and gut disorders, potentially opening new avenues for research into the gut-brain connection.
Understand the Science
University of Warwick researchers have analyzed data from more than 1.9 million people across 23 studies and found that ADHD is linked to an almost 50% increase in overall gastrointestinal symptoms compared with people without ADHD. The association was even stronger for specific problems: nearly double the odds of constipation, a 58% increase in irritable bowel syndrome, and more than four times the odds of encopresis (loss of bowel control).
Source: People with ADHD are more likely to suffer from gut problems, major review finds