(Press-News.org) Bethesda, MD (July 29, 2025) — A new international study confirmed a significant post-pandemic rise in disorders of gut-brain interaction, including irritable bowel syndrome (IBS) and functional dyspepsia, according to the paper published in Clinical Gastroenterology and Hepatology.
Building on prior research, investigators used Rome Foundation diagnostic tools to analyze nationally representative samples from both 2017 and 2023 — offering the first direct, population-level comparison of disorders of gut-brain interaction prevalence before and after the COVID-19 pandemic.
Key findings:
Overall disorders of gut-brain interaction rose from 38.3% to 42.6%.
IBS jumped 28%, from 4.7% to 6%.
Functional dyspepsia rose by nearly 44%, from 8.3% to 11.9%.
Individuals with long COVID were significantly more likely to have a disorder of gut-brain interaction and reported worse anxiety, depression, and quality of life.
This is the first population-level study to directly compare rates of disorders affecting gut-brain interaction before and after the pandemic, using a consistent methodology. It adds weight to growing calls for updated care models and more research into the gut-brain axis in the post-COVID era.
More information on IBS and dyspepsia is available on the AGA GI Patient Center:
What is irritable bowel syndrome?
What is dyspepsia?
Contact for media: Annie Mehl, media@gastro.org, 301-272-0013
About the AGA Institute
The American Gastroenterological Association is the trusted voice of the GI community. Founded in 1897, AGA represents members from around the globe who are involved in all aspects of the science, practice, and advancement of gastroenterology. The AGA Institute administers the practice, research, and educational programs of the organization. www.gastro.org
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New study confirms post-pandemic surge in gut-brain disorders
Individuals with long COVID face significantly higher rates of gut-brain interaction disorders, alongside worse mental health and quality of life.
2025-07-30
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[Press-News.org] New study confirms post-pandemic surge in gut-brain disordersIndividuals with long COVID face significantly higher rates of gut-brain interaction disorders, alongside worse mental health and quality of life.