Gastrointestinal Health

This hub offers a comprehensive resource on gastrointestinal health, digestive diseases, and the human microbiome, drawing together authoritative articles on basic science, clinical management, and emerging research. The collection addresses the pathophysiology, diagnosis, and treatment of major gastrointestinal disorders, including irritable bowel syndrome, celiac disease, inflammatory bowel disease, and gastroesophageal reflux, while also exploring surgical, dietary, and pharmacological interventions. Special emphasis is given to the role of the gut microbiome in health and disease, including its influence on immunity, metabolism, neurological function, and response to therapy. Readers will also find up-to-date insights into microbiome-related interventions, such as fecal microbiota transplantation, as well as practical guidance for dietary management and prevention. This hub serves as a trusted reference for clinicians, researchers, and individuals seeking an evidence-based understanding of digestive and microbiome science.

Can you Treat a Food Allergy by Altering the Gut Microbiome?

There is a relationship between gut microbiome and allergy which may allow some children to outgrow their food allergy.

Irritable Bowel Syndrome (IBS) and Fibromyalgia

High FODMAP Foods and Low FODMAP Food Alternatives

Gastritis Symptoms

Symptoms of Irritable Bowel Syndrome

Probiotics and IBS

Short-Chain Fatty Acids (SCFAs)

Gastrointestinal Bleeding Treatment

Genetics of Inflammatory Bowel Disease (IBD)

What does Sleeve Gastrectomy Involve?

Gastric Bypass Criteria

Genetic Factors that Influence Bacterial Diversity in the Human Gut

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Symptoms of Gastro-Esophageal Reflux Disease (GERD)

Gastrointestinal Stromal Tumor (GIST) Signs and Symptoms

Gastric Varices - Signs and Symptoms

Causes of Irritable Bowel Syndrome

Gastric Bypass Types

Gastroparesis Symptoms

Ulcerative Colitis Causes

Treatment and Prognosis for Intestinal Malrotation

Dysbiosis and the Microbiome

Causes of Gastro-Esophageal Reflux Disease (GERD)

Does the Microbiome Interact with the Human Endocrine System?

Sarin Classification of Gastric Varices

Celiac Disease Treatment

ERCP (Endoscopic Retrograde Cholangiopancreatography) Overview

Irritable Bowel Syndrome (IBS) and Stress Response

What is Gastrointestinal Bleeding?

The Microbiome and Aging

Risk Factors for Small Intestinal Bacterial Overgrowth

Irritable Bowel Syndrome (IBS) Research

What is Gastritis?

Gut Microbiota

What is Celiac Disease?

Do Serotonin and Antidepressants Affect the Microbiome?

Irritable Bowel Syndrome (IBS) Psychological Therapies

Mechanism of Irritable Bowel Syndrome (IBS)

Treatment of Irritable Bowel Syndrome

Parkinson's Disease and the Gut Microbiome

FODMAP Research

Oral Microbiota

Dysbiosis and Aging

Malrotation of the Gastrointestinal Tract

Gastroschisis Prognosis

Gastroparesis Diagnosis

Celiac Disease Symptoms

Diabetic Gastroparesis

After Gastric Bypass Surgery

Gastrointestinal Bleeding Symptoms

Effects of a Gluten-Free Diet on the Gut Microbiota

Fermented Foods and Gut Health

Gastric Bypass Benefits

Gastroschisis Causes

Achievements of the Human Microbiome Project

Fecal Microbiota Transplant Technique

Gastritis Treatments

Gastroparesis and Diet

Gastrointestinal Stromal Tumor (GIST) Causes

Treatment of Gastro-Esophageal Reflux Disease (GERD)

Disease Susceptibility and the Microbiome

Gastrointestinal Stromal Tumor (GIST) Treatment

Functional Gastrointestinal Disorders: Integrating Physiological and Psychological Approaches

What is Ulcerative Colitis?

Causes of Bleeding in the Upper and Lower Gastrointestinal Tract

Drug Metabolism and Microbiome

Antibiotics and the Microbiome

Gastroparesis Causes

Gastroparesis Epidemiology

Does Wheat Cause Gut Inflammation?

Celiac Disease Diagnosis

Gastroparesis Treatments

Gastritis Causes

What is Gluten?

Celiac Disease Screening

What is Irritable Bowel Syndrome?

Inflammatory Bowel Disease (IBD) in Pregnancy

Irritable Bowel Syndrome (IBS) Comorbidities

Treatment of Gastric Varices

What is Gastroenterology?

Gastrointestinal Stromal Tumor (GIST) Diagnosis

What is a Gastric Bypass?

Alzheimer's Disease and the Microbiome

Is Dermatitis Herpetiformis Caused by Herpes?

Irritable Bowel Syndrome (IBS) Epidemiology

Low FODMAP Diet

Microbiome-Host Cell Interactions

Gastrointestinal Disease and Skin Problems

Types of Gastrectomy

Diagnosis of Irritable Bowel Syndrome

Irritable Bowel Syndrome (IBS) Food Triggers

Skin Microbiota

Fecal Microbiota Transplant Regulation

What is Gastroschisis?

What is Gastroparesis?

What is Gastroenteritis?

Human Microbiome Project (HMP)

Gastric Bypass Complications

Fecal Microbiota Transplant

Gastritis Diagnosis

Mesentery: a new organ?

Is There a Link Between Migraine and the Gut Microbiome?

Diagnosis of Gastro-Esophageal Reflux Disease (GERD)

FODMAPs and Irritable Bowel Syndrome (IBS)

Microbiome and Cancer

Human Microbiome

Gut-on-a-Chip to Model Coeliac Disease

Inflammatory Bowel Disease and Colorectal Cancer

Gastrointestinal Stromal Tumor Pathogenesis

Microbiome and Disease

Irritable Bowel Syndrome (IBS) Prognosis

How to Recover Gut Health After Clostridium difficile Infection

Irritable Bowel Syndrome (IBS) and Infections

Celiac Disease Pathogenesis

Irritable Bowel Syndrome (IBS) and Diet

Self-Help for Irritable Bowel Syndrome (IBS)

Irritable Bowel Syndrome (IBS) Differential Diagnosis

Gastric Carcinoma

Crohn's Disease Cause

Gastric Varices

Post-Infectious Irritable Bowel Syndrome

Symptoms and Diagnosis of Intestinal Malrotation

Irritable Bowel Syndrome (IBS) and Exercise

How Does the Diet Impact Microbiota?

Irritable Bowel Syndrome (IBS) and Psychiatric Illness

What is Vaginal Microbiome?

Dermatitis Herpetiformis and Celiac Disease

Conjunctiva microbiota

Latest Gastrointestinal Health News and Research

Piezo ion channels: Key regulators of digestive health and disease

Mechanosensitive Piezo ion channels, particularly Piezo1 and Piezo2, are gaining recognition as central regulators of digestive system physiology and disease.

7 Aug 2026

Phages explode bacteria to share vital vitamin B12 with microbes

Vitamin B12 is biological gold. All living organisms need a little bit of it to form red blood cells and DNA, as well as to build and support brain and nerve cells.

7 Aug 2026

New research aims to switch off chronic pain at its source

A major new Adelaide University research program will strive to improve the lives of millions by developing targeted therapies for chronic visceral pain, a debilitating primary symptom associated with irritable bowel syndrome (IBS), inflammatory bowel disease (IBD) and endometriosis.

7 Aug 2026

Metabolic stress triggers long-lasting immune system changes in diabetes patients

A growing understanding of trained immunity, a form of long-lasting immune system adaptation, is reshaping how scientists view diabetes and its many complications.

7 Aug 2026

D-serine promotes gastric cancer growth by suppressing tumor immunity

Researchers from Keio University have found that D-serine increases the growth of gastric cancer by creating an immunosuppressive and anti-inflammatory tumor microenvironment.

6 Aug 2026

New review links obesity with accelerated biological aging mechanisms

The global rise in obesity and population aging represents a major public health challenge, with growing evidence suggesting that excess body fat not only increases the risk of chronic disease but may also accelerate the biological aging process.

6 Aug 2026

New review advances understanding of biological mechanisms driving Ménière's disease

A comprehensive new review is bringing together the latest advances in Ménière's disease, offering a clearer picture of the biological mechanisms that may drive this complex inner ear disorder while highlighting new directions for diagnosis, disease modeling, and treatment.

6 Aug 2026

Microbiome-based therapy may increase peanut allergy tolerance in adults

Some 33 million Americans have severe food allergies. Now, researchers at Boston Children's Hospital may have found a promising solution.

5 Aug 2026

Expanded DepMap reveals new cancer vulnerabilities through 3D tumor models

For nearly a decade, the Cancer Dependency Map, or DepMap, at the Broad Institute has helped scientists uncover new cancer dependencies - the genetic changes some cancers need to thrive that can potentially be targeted by new cancer drugs.

5 Aug 2026

Biofortified millet improves toddler gut health without adverse effects

Toddlers who ate iron- and zinc-biofortified pearl millet for nine months did not experience adverse effects typically associated with increased iron intake and developed gut microbiomes with distinct and potentially beneficial changes, according to a new study led by researchers at Cornell University's Joan Klein Jacobs Center for Precision Nutrition and Health.

5 Aug 2026

Inflammatory bowel disease linked to elevated risk of psychiatric disorders

Patients with inflammatory bowel disease (IBD) face a significantly higher risk of psychiatric disorders starting two to three years before diagnosis and lasting up to a decade after, according to a nationwide study to be published in Clinical Gastroenterology and Hepatology.

5 Aug 2026

Newly discovered immune pathway prevents fatal fungal infections in mice

An immune pathway has been discovered which prevents a normally harmless fungus developing into a fatal infection.

5 Aug 2026

Mouse study shows how liraglutide briefly rewires gut bacterial communities

Researchers treated male high-fat-fed mice with liraglutide for 14 days, then tracked fecal bacterial communities after a 7-day washout using 16S rRNA sequencing. Liraglutide shifted the microbiome toward Lactobacillus- and Leptogranulimonas-related taxa while reducing several fermentative taxa, but most changes moved back toward baseline after treatment stopped.

4 Aug 2026

Latest hospital rankings place NYU Langone Health at the very top

NYU Langone Health continues to have the most No. 1-ranked specialties and the most top-10 ranked specialties among medical centers in the United States, according to the rankings released today by U.S. News & World Report.

4 Aug 2026

Cryo-EM study reveals dynamic structure of human norovirus

Human norovirus is the leading cause of acute gastroenteritis worldwide and is estimated to infect 600–700 million people each year.

4 Aug 2026

New gum disease treatment kills harmful bacteria while saving beneficial microbes

Researchers at Nagoya University in Japan have created an innovative treatment for periodontitis that targets and eliminates harmful bacteria while preserving beneficial oral microbes essential for health.

4 Aug 2026

Digital twin of the gut-brain axis aims to advance neurostimulation therapies

The gut and brain are in constant conversation, exchanging signals that regulate hunger and digestion, as well as the body's response to stress.

3 Aug 2026

Using DNA sequencing for accurate identification of microbial infections in cystic fibrosis patients

Lung infections are a constant risk for people living with cystic fibrosis (CF), a life-threatening genetic disorder which impairs lung function, predisposes people to persistent airway infections and exposes them to acquiring multidrug resistant infections.

3 Aug 2026

New analytical strategies can measure thousands of gut microbial proteins

The trillions of microorganisms living in our intestine influence our health, from digestion and metabolism to immunity.

3 Aug 2026

Gut microbiome shifts may begin before Alzheimer’s symptoms appear

A narrative review links reduced SCFA-producing gut bacteria and altered microbial metabolism with Alzheimer’s disease, while early evidence suggests similar changes may appear before cognitive symptoms. Mediterranean, DASH, MIND, and prudent diets are associated with beneficial microbial profiles, but direct evidence connecting diet, the microbiome, and amyloid pathology remains limited.

3 Aug 2026