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.

What is Gastritis?

Parkinson's Disease and the Gut Microbiome

Gastric Bypass Complications

Antibiotics and the Microbiome

Causes of Gastro-Esophageal Reflux Disease (GERD)

How Does the Diet Impact Microbiota?

Self-Help for Irritable Bowel Syndrome (IBS)

Genetic Factors that Influence Bacterial Diversity in the Human Gut

FODMAP Research

Disease Susceptibility and the Microbiome

Gastrointestinal Disease and Skin Problems

See more featured articles »

Does Wheat Cause Gut Inflammation?

Dermatitis Herpetiformis and Celiac Disease

Gastroparesis Epidemiology

FODMAPs and Irritable Bowel Syndrome (IBS)

Gut-on-a-Chip to Model Coeliac Disease

Celiac Disease Treatment

Irritable Bowel Syndrome (IBS) and Infections

Symptoms of Gastro-Esophageal Reflux Disease (GERD)

Irritable Bowel Syndrome (IBS) and Exercise

Types of Gastrectomy

Gastroschisis Prognosis

Gastrointestinal Stromal Tumor (GIST) Diagnosis

Fecal Microbiota Transplant Regulation

Inflammatory Bowel Disease (IBD) in Pregnancy

Gastrointestinal Bleeding Treatment

Alzheimer's Disease and the Microbiome

What is Irritable Bowel Syndrome?

Gastric Varices - Signs and Symptoms

Gastric Varices

Irritable Bowel Syndrome (IBS) Prognosis

Symptoms of Irritable Bowel Syndrome

Symptoms and Diagnosis of Intestinal Malrotation

What is Gastroenteritis?

Gastric Bypass Criteria

Probiotics and IBS

What is Gluten?

Microbiome-Host Cell Interactions

Diabetic Gastroparesis

After Gastric Bypass Surgery

Treatment of Irritable Bowel Syndrome

Celiac Disease Symptoms

Gastritis Diagnosis

What is a Gastric Bypass?

What is Ulcerative Colitis?

Irritable Bowel Syndrome (IBS) Epidemiology

Diagnosis of Irritable Bowel Syndrome

Human Microbiome

Gastritis Symptoms

Conjunctiva microbiota

Inflammatory Bowel Disease and Colorectal Cancer

Celiac Disease Diagnosis

Gastrointestinal Stromal Tumor (GIST) Causes

Dysbiosis and Aging

Gastrointestinal Stromal Tumor (GIST) Treatment

Gastroparesis Causes

Microbiome and Disease

What is Gastrointestinal Bleeding?

The Microbiome and Aging

Low FODMAP Diet

Crohn's Disease Cause

Dysbiosis and the Microbiome

Irritable Bowel Syndrome (IBS) Comorbidities

Post-Infectious Irritable Bowel Syndrome

Do Serotonin and Antidepressants Affect the Microbiome?

Gastritis Treatments

Skin Microbiota

Short-Chain Fatty Acids (SCFAs)

How to Recover Gut Health After Clostridium difficile Infection

Irritable Bowel Syndrome (IBS) Research

Gastric Bypass Types

What does Sleeve Gastrectomy Involve?

Gastric Bypass Benefits

Ulcerative Colitis Causes

ERCP (Endoscopic Retrograde Cholangiopancreatography) Overview

Gastric Carcinoma

Irritable Bowel Syndrome (IBS) and Stress Response

Human Microbiome Project (HMP)

Malrotation of the Gastrointestinal Tract

Sarin Classification of Gastric Varices

What is Gastroparesis?

Drug Metabolism and Microbiome

Irritable Bowel Syndrome (IBS) and Psychiatric Illness

What is Gastroenterology?

What is Gastroschisis?

Gastroschisis Causes

Treatment of Gastric Varices

High FODMAP Foods and Low FODMAP Food Alternatives

Is There a Link Between Migraine and the Gut Microbiome?

Irritable Bowel Syndrome (IBS) Food Triggers

Irritable Bowel Syndrome (IBS) Differential Diagnosis

Celiac Disease Screening

Risk Factors for Small Intestinal Bacterial Overgrowth

Irritable Bowel Syndrome (IBS) Psychological Therapies

Does the Microbiome Interact with the Human Endocrine System?

Gastroparesis Treatments

Irritable Bowel Syndrome (IBS) and Diet

What is Vaginal Microbiome?

What is Celiac Disease?

Gastritis Causes

Fermented Foods and Gut Health

Treatment of Gastro-Esophageal Reflux Disease (GERD)

Gastrointestinal Stromal Tumor (GIST) Signs and Symptoms

Irritable Bowel Syndrome (IBS) and Fibromyalgia

Genetics of Inflammatory Bowel Disease (IBD)

Gastrointestinal Stromal Tumor Pathogenesis

Mesentery: a new organ?

Is Dermatitis Herpetiformis Caused by Herpes?

Celiac Disease Pathogenesis

Microbiome and Cancer

Mechanism of Irritable Bowel Syndrome (IBS)

Effects of a Gluten-Free Diet on the Gut Microbiota

Gastroparesis Symptoms

Gut Microbiota

Treatment and Prognosis for Intestinal Malrotation

Gastroparesis and Diet

Achievements of the Human Microbiome Project

Fecal Microbiota Transplant

Fecal Microbiota Transplant Technique

Gastroparesis Diagnosis

Oral Microbiota

Causes of Irritable Bowel Syndrome

Functional Gastrointestinal Disorders: Integrating Physiological and Psychological Approaches

Gastrointestinal Bleeding Symptoms

Diagnosis of Gastro-Esophageal Reflux Disease (GERD)

Causes of Bleeding in the Upper and Lower Gastrointestinal Tract

Latest Gastrointestinal Health News and Research

Endoscopic procedure may prevent weight regain after GLP-1 discontinuation

An outpatient procedure may offer a way for the estimated 70% of people who discontinue popular weight-loss drugs to avoid regaining the pounds they shed, according to a study to be presented at Digestive Disease Week (DDW) 2026.

23 Apr 2026

Microplastics in the liver may drive global liver disease rates

There is considerable evidence that microplastics and nanoplastics are present in the livers of humans, and wild animal populations on land and in the ocean.

23 Apr 2026

Rectal cancer deaths in older millennials are rising rapidly

Rectal cancer deaths among older millennials are accelerating, with growth in mortality far outpacing colon cancer, suggesting primary care doctors should fully investigate early symptoms in patients under age 45, according to a study to be presented at Digestive Disease Week (DDW) 2026.

23 Apr 2026

High levels of gut bacterial toxin linked to increased lupus nephritis risk

The body's immune reaction to increased levels of a toxic molecule, part of a bacterial species in the human gut, may reveal who is most at risk of developing lupus nephritis, according to a new study led by NYU Langone Health.

23 Apr 2026

Late-night eating may amplify the effects of stress on gut health

It's well known that chronic stress can disrupt bowel function, sending people running to the bathroom or making them constipated.

23 Apr 2026

Restoring gut microbiome may prevent liver cancer in mice

Restoring the gut microbiome to its youthful state may hold the key to slowing aging and preventing liver cancer, one of the fastest-growing cancers worldwide, according to a study to be presented at Digestive Disease Week (DDW) 2026.

23 Apr 2026

Gut microbiome characteristics predict treatment response in IBS-D patients

In a new study published in Clinical Gastroenterology and Hepatology, the low FODMAP diet and the antibiotic rifaximin provided similar and significant relief for patients with irritable bowel syndrome with diarrhea (IBS-D).

22 Apr 2026

Breast milk sugars promote beneficial bacterial balance in infant guts

Sugars contained exclusively in breast milk are helping to feed an important balance of bacteria in babies' developing gut microbiomes, a new study has found.

22 Apr 2026

Rising rotavirus cases highlight importance of childhood vaccination

With a rising number of rotavirus cases being reported across the country and in New Jersey this spring, experts from Hackensack Meridian Children's Health are urging parents to ensure their children are vaccinated against this common and potentially severe illness.

21 Apr 2026

Scientists develop MIND approach to predict and reshape microbiomes

University of California San Diego researchers have developed a new tool for understanding and modifying any microbiome, including the human microbiome.

21 Apr 2026

Gut microbiome clues may help spot Parkinson’s disease in its earliest phase

Researchers found that a Parkinson’s disease-related gut microbiome pattern appears not only in people with diagnosed Parkinson’s, but also in some non-manifesting GBA1 variant carriers and a subset of healthy individuals. The findings suggest that gut microbiome changes may help flag people who are closer to Parkinson’s disease development, although longitudinal studies are still needed to confirm predictive value.

21 Apr 2026

Oral bacteria can reveal your true biological age and health risks

A simple oral rinse may predict biological age, linking oral microbiome changes to aging, frailty, and chronic disease risk in a noninvasive manner.

21 Apr 2026

Coffee impacts the gut-brain axis to improve mood and stress

New research from APC Microbiome Ireland, a world leading research centre at University College Cork, has comprehensively explored the mechanisms behind coffee's positive effects on the gut-brain axis for the first time.

21 Apr 2026

Rising colorectal cancer rates in young Swiss adults spark concern

While the incidence of colorectal cancer is decreasing among those over 50, it is rising at an alarming rate among younger individuals, sometimes as early as their thirties.

21 Apr 2026

Microbial "signatures" within the oral cavity and gut may aid in gastric cancer detection

A recent study published in Cell Reports Medicine has identified distinct microbial "signatures" within the oral cavity and gut that serve as robust biomarkers for the early detection of gastric cancer (GC).

20 Apr 2026

Gut microbiome analysis may help detect Parkinson’s before symptoms appear

Analysis of microbes in the gut can reveal whether a person faces an elevated risk of Parkinson's disease, before they have developed any symptoms, suggests a new study led by University College London (UCL) researchers.

20 Apr 2026

Newborns carry antibiotic resistance genes within first hours of life

Antibiotic resistance genes (ARGs) – segments of DNA that help bacteria survive the effects of antibiotics – can be present in newborns within the first hours of life, according to research presented at ESCMID Global 2026.

20 Apr 2026

Eating oranges daily may shift lipid patterns in fatty liver disease

A 4-week trial on 'Navelina' oranges shows potential effects on lipid metabolism in fatty liver disease, revealing intriguing but non-significant patterns.

20 Apr 2026

Microbes in the digestive tract help tailor treatment for melanoma patients

The specific mix of bacteria living in a person's gut can predict the chances that melanoma will recur after surgery and immunotherapy, which helps immune cells target cancer cells. This is according to a new study led by researchers from NYU Langone Health and its Perlmutter Cancer Center.

20 Apr 2026

AGA update calls for better surveillance of hepatocellular carcinoma

A new update from the American Gastroenterological Association (AGA) urges stronger prevention efforts and better early-detection tools for hepatocellular carcinoma (HCC), the leading cause of cancer-related death in patients with cirrhosis, and the third most common cause of cancer-related death worldwide.

17 Apr 2026