Medicine

Study of 1.9 million people finds a striking link between ADHD and gut problems

How the science connects

EpidemiologyADHDGastrointestinal d…

AI Insight

A large-scale analysis of over 1.9 million individuals revealed a significant association between ADHD and gastrointestinal disorders. Compared to those without ADHD, affected individuals showed nearly twice the likelihood of experiencing constipation, 58% increased odds of irritable bowel syndrome, and more than four times the risk of encopresis. The study provides robust epidemiological evidence for a connection between neurological and digestive health.


This finding could influence clinical practice by prompting healthcare providers to screen ADHD patients for digestive issues and vice versa. Understanding this connection may lead to more comprehensive treatment approaches that address both neurological and gastrointestinal symptoms, potentially improving quality of life for millions of people with ADHD.


Understand the Science

Epidemiology 73 articles Explore Concept → ADHD Concept coming soon Gastrointestinal disorders Concept coming soon

Researchers analyzing data from more than 1.9 million people found that ADHD is associated with substantially higher rates of digestive problems. People with ADHD had nearly double the odds of constipation, 58% higher odds of irritable bowel syndrome, and more than four times the odds of encopresis.

Source: Study of 1.9 million people finds a striking link between ADHD and gut problems