Gastrointestinal Health News and Research

Latest Gastrointestinal Health News and Research

Antibiotic use in infancy raises early puberty risk in girls, study finds

Girls exposed to antibiotics in the first three months of life are significantly more likely to enter puberty early, according to a large South Korean study. The risk increases with earlier exposure and a greater number of antibiotic classes, with no similar effect seen in boys.

10 May 2025

Study shows strong COVID immunity from infection and vaccination

A first-of-its-kind study led by the University of Oxford has successfully investigated human immunity against COVID-19 in people who already have antibodies against it.

9 May 2025

Oxford study reveals how COVID-19 vaccines prevent severe illness

A landmark study by scientists at the University of Oxford, has unveiled crucial insights into the way that COVID-19 vaccines mitigate severe illness in those who have been vaccinated.

9 May 2025

Eating avocado in pregnancy cuts infant food allergy risk by nearly half

Pregnant women who ate avocado were significantly less likely to have children with food allergies at 12 months of age. The association held even after adjusting for maternal diet quality, lifestyle, and perinatal factors in a large Finnish cohort.

8 May 2025

Macrophages take center stage in liver healing after injury

The liver is famous for its remarkable ability to regenerate, but that healing power depends heavily on the actions of its resident immune cells. A new study spotlights macrophages, the liver's cleanup and repair specialists, revealing that these cells quickly adapt after injury to clear debris and support tissue recovery.

7 May 2025

Scientists build world's most accessible gut bacteria collection to unlock health and disease clues

Researchers have developed the Human Intestinal Bacteria Collection (HiBC), comprising 340 gut bacterial strains from 198 species, including 29 newly described taxa, made publicly available for functional microbiome research.

7 May 2025

Air pollution reshapes children’s nasal microbiome and reduces diversity in winter

A new study from Milan reveals that short-term exposure to air pollutants like black carbon and VOCs significantly alters the nasal microbiota of school-aged children. These changes vary by season, with winter exposure reducing microbial diversity and favoring potentially pathogenic bacteria.

7 May 2025

Molecular Devices launches automated QPix FLEX Microbial Colony Picking System

Molecular Devices, LLC., a leading high-performance life science solutions provider, today launched the QPix® FLEX™ Microbial Colony Picking System.

7 May 2025

Can your diet slow skin aging? New review reveals what helps and what harms

Scientists reviewed recent studies and found that antioxidant-rich diets help slow skin aging, while high intake of refined sugars and trans fats accelerates it. A balanced, nutrient-dense diet may be a practical way to protect skin health and delay visible signs of aging.

6 May 2025

Study: Kissing after a gluten-filled snack is safe for people with celiac disease

People with celiac disease have reported anxiety about ingesting gluten through a kiss, but a new study concludes that they can indulge without worry - even if their partner just had a gluten-filled snack, according to a study to be presented today at Digestive Disease Week 2025.

5 May 2025

Women face higher depression risk from unhealthy food

A cross-sectional study of over 15,000 adults across multiple countries found that ultra-processed food (UPF) consumption was linked to higher odds of depression, especially in women across all age groups. Healthy dietary patterns were protective in women aged 18–54, but showed no benefit for men.

5 May 2025

Anal cancer rates increasing among older white and Hispanic women in the U.S.

Anal cancer has been steadily increasing in the United States, with the biggest jumps among older women, especially white and Hispanic women - a shift that challenges assumptions about high-risk groups and who should be screened, according to a study to be presented today at Digestive Disease Week 2025.

5 May 2025

Early detection of stomach cancer shows major progress

Stomach cancers are increasingly being diagnosed at less advanced, more treatable stages - a shift that marks major progress in detecting one of the deadliest forms of cancer, according to a study to be presented today at Digestive Disease Week 2025.

5 May 2025

Can your diet affect fertility? Gut-linked dietary score reveals surprising risk pattern

A cross-sectional study of over 3,000 U.S. women found a non-linear link between a gut microbiota-based dietary index (DI-GM) and infertility. Risk decreased with healthier diets but unexpectedly rose beyond a certain threshold score.

4 May 2025

Ultra-processed foods linked to higher psoriasis risk

A large UK Biobank study found that higher consumption of ultra-processed foods (UPFs) is associated with an increased risk of developing psoriasis. Each 10% increase in UPF intake raised psoriasis risk by 6%, with obesity and inflammation partially mediating this effect.

4 May 2025

New insights into facial bacteria may improve acne treatment strategies

The composition of bacterial populations living on our faces plays a significant role in the development of acne and other skin conditions such as eczema.

2 May 2025

Intimate relationships may shield against cognitive decline during chemo

A satisfying intimate relationship may help diminish chemotherapy-related cognitive problems experienced by patients with breast cancer, a new study suggests.

29 Apr 2025

Obesity changes how the gut responds to plant compounds, researchers report

Researchers found that the impact of polyphenols rutin and genistein on the human fecal metabolome varies significantly by body mass index (BMI). Lower BMI individuals showed more diverse metabolic responses, revealing how gut health and obesity could shape polyphenol metabolism.

28 Apr 2025

Computational biology uncovers RNA changes in ALS patients

Amyotrophic lateral sclerosis (ALS) is a disease that destroys the nerves necessary for movement. About 30,000 people in the United States are affected, and doctors still don't know what causes it.

25 Apr 2025

Blood proteins offer early warning for liver disease

Scientists have identified five specific blood proteins that can accurately predict a person's risk for developing a serious form of liver disease as early as 16 years before they experience symptoms, enabling early intervention and possible prevention and treatment, according to a study to be presented at Digestive Disease Week (DDW) 2025.

25 Apr 2025