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.

Gastroparesis and Diet

Diabetic Gastroparesis

Microbiome and Cancer

Celiac Disease Treatment

Alzheimer's Disease and the Microbiome

Ulcerative Colitis Causes

Symptoms of Irritable Bowel Syndrome

Probiotics and IBS

Irritable Bowel Syndrome (IBS) Psychological Therapies

High FODMAP Foods and Low FODMAP Food Alternatives

Gastrointestinal Disease and Skin Problems

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Gastric Bypass Benefits

Treatment of Gastric Varices

Irritable Bowel Syndrome (IBS) and Stress Response

What is Celiac Disease?

Irritable Bowel Syndrome (IBS) Differential Diagnosis

Do Serotonin and Antidepressants Affect the Microbiome?

Gastroschisis Causes

Fecal Microbiota Transplant Technique

Gastritis Diagnosis

Genetics of Inflammatory Bowel Disease (IBD)

Malrotation of the Gastrointestinal Tract

Gastroparesis Diagnosis

Irritable Bowel Syndrome (IBS) and Exercise

Gastrointestinal Stromal Tumor (GIST) Causes

Risk Factors for Small Intestinal Bacterial Overgrowth

Dysbiosis and the Microbiome

Gastric Varices

Irritable Bowel Syndrome (IBS) Food Triggers

What is Gastroenterology?

Causes of Gastro-Esophageal Reflux Disease (GERD)

What is Gastrointestinal Bleeding?

Irritable Bowel Syndrome (IBS) Comorbidities

Celiac Disease Symptoms

What is Gastroenteritis?

Gastrointestinal Bleeding Symptoms

Inflammatory Bowel Disease (IBD) in Pregnancy

After Gastric Bypass Surgery

Treatment and Prognosis for Intestinal Malrotation

Irritable Bowel Syndrome (IBS) Epidemiology

Human Microbiome

Gut Microbiota

What is Gastroparesis?

Types of Gastrectomy

Oral Microbiota

Mechanism of Irritable Bowel Syndrome (IBS)

Gastritis Causes

Conjunctiva microbiota

What is Irritable Bowel Syndrome?

Gastritis Treatments

Functional Gastrointestinal Disorders: Integrating Physiological and Psychological Approaches

Microbiome-Host Cell Interactions

Achievements of the Human Microbiome Project

What is Gastritis?

ERCP (Endoscopic Retrograde Cholangiopancreatography) Overview

Mesentery: a new organ?

Celiac Disease Diagnosis

Gastrointestinal Stromal Tumor (GIST) Diagnosis

Post-Infectious Irritable Bowel Syndrome

Short-Chain Fatty Acids (SCFAs)

Gastric Bypass Criteria

Is There a Link Between Migraine and the Gut Microbiome?

Fermented Foods and Gut Health

How to Recover Gut Health After Clostridium difficile Infection

FODMAPs and Irritable Bowel Syndrome (IBS)

Sarin Classification of Gastric Varices

Gastric Carcinoma

Gastroparesis Symptoms

Gastrointestinal Bleeding Treatment

Diagnosis of Gastro-Esophageal Reflux Disease (GERD)

Gastric Bypass Complications

Fecal Microbiota Transplant

Celiac Disease Pathogenesis

Irritable Bowel Syndrome (IBS) and Fibromyalgia

Dysbiosis and Aging

Human Microbiome Project (HMP)

What is Vaginal Microbiome?

Irritable Bowel Syndrome (IBS) and Infections

Self-Help for Irritable Bowel Syndrome (IBS)

Crohn's Disease Cause

What is Ulcerative Colitis?

Parkinson's Disease and the Gut Microbiome

FODMAP Research

Gastroparesis Treatments

Irritable Bowel Syndrome (IBS) and Diet

Treatment of Gastro-Esophageal Reflux Disease (GERD)

What is Gastroschisis?

Symptoms and Diagnosis of Intestinal Malrotation

How Does the Diet Impact Microbiota?

Low FODMAP Diet

Is Dermatitis Herpetiformis Caused by Herpes?

Gastric Bypass Types

Inflammatory Bowel Disease and Colorectal Cancer

Irritable Bowel Syndrome (IBS) Research

Skin Microbiota

Gastric Varices - Signs and Symptoms

Gastrointestinal Stromal Tumor Pathogenesis

Drug Metabolism and Microbiome

Causes of Bleeding in the Upper and Lower Gastrointestinal Tract

Dermatitis Herpetiformis and Celiac Disease

Gastritis Symptoms

Fecal Microbiota Transplant Regulation

Gut-on-a-Chip to Model Coeliac Disease

Gastroparesis Epidemiology

Gastrointestinal Stromal Tumor (GIST) Treatment

Celiac Disease Screening

Treatment of Irritable Bowel Syndrome

Antibiotics and the Microbiome

Gastrointestinal Stromal Tumor (GIST) Signs and Symptoms

Gastroparesis Causes

Irritable Bowel Syndrome (IBS) Prognosis

What is Gluten?

Diagnosis of Irritable Bowel Syndrome

Irritable Bowel Syndrome (IBS) and Psychiatric Illness

What does Sleeve Gastrectomy Involve?

What is a Gastric Bypass?

Microbiome and Disease

The Microbiome and Aging

Does Wheat Cause Gut Inflammation?

Gastroschisis Prognosis

Does the Microbiome Interact with the Human Endocrine System?

Disease Susceptibility and the Microbiome

Causes of Irritable Bowel Syndrome

Effects of a Gluten-Free Diet on the Gut Microbiota

Symptoms of Gastro-Esophageal Reflux Disease (GERD)

Genetic Factors that Influence Bacterial Diversity in the Human Gut

Latest Gastrointestinal Health News and Research

Sickness behavior may be a coordinated whole organism immune strategy

Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side effects of infection.

30 Apr 2026

AHA calls for lifelong brain health strategy to prevent cognitive decline

The AHA scientific statement calls for a life-course approach to brain health that integrates cognitive, emotional, behavioral, vascular, environmental, inflammatory, sleep, microbiome, and social factors. It highlights how early-life exposures, mental health, pollution, chronic inflammation, poor sleep, gut dysbiosis, and socioeconomic adversity may shape brain resilience and later-life cognitive decline.

29 Apr 2026

AGA update emphasizes lifestyle changes for effective hemorrhoid management

The American Gastroenterological Association (AGA) has released a new clinical practice update providing expert guidance on the diagnosis and treatment of hemorrhoids, a common condition affecting approximately 50% of people by age 50.

29 Apr 2026

Lifestyle and non-lifestyle factors converge to influence gut microbiome in cancer patients

A new review was published in Volume 13 of Oncoscience on March 11, 2026, titled "Associations among physical activity, diet, non-lifestyle characteristics and the gut microbiome of cancer patients: A scoping review and network analysis."

28 Apr 2026

Rising bowel and ovarian cancer rates in younger adults raise new concerns

Cases of several cancers are rising in England among both younger and older adults, but rates of bowel and ovarian cancer are rising only among younger adults (under 50s), finds research published in the open access journal BMJ Oncology.

28 Apr 2026

New AI models quickly find compounds that target Lyme bacteria

Tufts University researchers are using AI and machine learning to more quickly identify potential narrow-spectrum antibiotics to prevent and treat Lyme disease, thanks to a generous gift from an alumnus that sped up their timeline by two to three years.

28 Apr 2026

Engineered gut bacteria successfully treat metabolic drivers of liver disease

When the liver fails, toxins - such as ammonia - that should be filtered from the blood build up and reach the brain.

28 Apr 2026

Study finds no causal link between antibiotics and celiac disease risk

The risk of celiac disease, an autoimmune reaction driven by gluten, is not a reason to avoid antibiotic treatment.

28 Apr 2026

New scientific statement defines brain health across life

Brain health isn't determined only by genetics or what happens later in life. A growing body of research shows that a range of factors-from mental health and sleep to environment, lifestyle and social conditions-play a powerful role in shaping how the brain functions and ages.

28 Apr 2026

Ultra-processed foods linked to poorer attention and higher dementia risk scores

Research shows that higher ultra-processed food consumption may impair attention and elevate modifiable dementia risk, highlighting concerns for brain health.

28 Apr 2026

Repurposed cancer drugs offer potential breakthrough for Crohn’s disease treatment

University of Houston biologists have contributed to a potential breakthrough in treating Crohn's disease by shifting the clinical focus from symptom management to addressing a primary underlying cause of the condition.

27 Apr 2026

Brain-Gut Health Initiative supports AI-assisted diagnosis of psychiatric disorders

Psychiatric disorders affect millions worldwide, but their diagnosis still relies on clinical observation instead of standard biological tests.

25 Apr 2026

Drinking coffee alters your microbiome, mood, and memory

Coffee consumption influences the microbiota-gut-brain axis, affecting cognitive performance and emotional regulation through complex biological pathways.

24 Apr 2026

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