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How heat-smart cities can protect outdoor recreation in a warming world

This review shows how rising humid heat threatens the health benefits of nature-based recreation in tropical cities. The authors call for heat-smart urban planning, targeted advisories, and inclusive strategies that keep outdoor activity safe, accessible, and beneficial.

26 May 2026

Rattlesnakes show higher vulnerability to fungal and parasitic infections

Snakes are threatened with extinction in many places around the globe. Disease, often caused by parasites or fungi, is thought to be one of the key factors alongside habitat destruction.

26 May 2026

Neural progenitor timing influences formation of distinct brain layers

The outer regions of the brain, the cortex, have specific layers of different cells - neurons - that are similarly ordered among all mammals, from tiny mouse brains to huge elephant brains.

26 May 2026

Why Kenya, Ethiopia, Japan, and the US stand out in global distance running

This global analysis of 152,943 endurance runners found that nationality, gender, age, and race distance were significantly associated with running performance from 1999 to 2024. Men were faster across all distances, women were generally older in longer races, and runners from Kenya, Ethiopia, Japan, and the United States showed distinct participation and performance patterns.

26 May 2026

Researchers identify unique genetic signature in rare oral cancer

Cancer diagnosis can be challenging, and delayed diagnosis can allow cancer to progress, complicating treatment.

26 May 2026

How a tiny H5N1 dose triggers massive virus shedding in cow milk

Experimental infection studies in lactating Holstein cows showed that H5N1 B3.13 can infect the bovine mammary gland at doses as low as 10 TCID50, producing extremely high viral loads in milk. However, the virus did not transmit to sentinel cows through repeated exposure to contaminated milking equipment or through close contact under high-biocontainment conditions, suggesting that real-world dairy-farm spread depends on additional cofactors.

25 May 2026

Ongoing nausea in pregnancy may flag anxiety and depression risk

Persistent or severe nausea during pregnancy was linked to higher maternal anxiety and depressive symptoms across gestation. The study found little consistent evidence that nausea worsened most perinatal outcomes, suggesting it may serve mainly as a clinical warning sign for psychological burden.

25 May 2026

Diet and inflammation may play a role in progressive vitiligo

A small case-control study linked higher Dietary Inflammatory Index scores with progressive vitiligo, suggesting that pro-inflammatory dietary patterns may be associated with disease occurrence or progression. The findings support further research into diet, inflammation, and the gut-skin axis as potential targets for vitiligo prevention and management.

25 May 2026

Chronic liver disease threatens millions across Europe, report finds

Europe is facing a growing chronic liver disease threat, according to a new Series published today in The Lancet Regional Health – Europe, that engaged more than 75 co-authors from 30 countries and was led by the Barcelona Institute for Global Health (ISGlobal), an institution supported by the "la Caixa" Foundation.

25 May 2026

Indian adapted Mediterranean diet targets inflammation in heart disease trial

The paper describes a single-center randomized controlled trial testing whether an Indian Adapted Mediterranean Diet can reduce dietary inflammation in adults with stable coronary artery disease or moderate-to-high cardiovascular risk. The protocol will assess changes in the Dietary Inflammatory Index, inflammatory biomarkers, cardiometabolic risk factors, body measurements, and metabolic hormones over six months.

25 May 2026

Roswell Park scientists present five key cancer studies at clinical meeting

The research findings of experts from Roswell Park Comprehensive Cancer Center will be featured during the American Society of Clinical Oncology (ASCO) annual meeting May 29 to June 2 at McCormick Place in Chicago.

25 May 2026

Antarctic mission study reveals how constant proximity increases team conflict

Space missions expose crews to months of isolation, confinement and extreme stress. An international study led by Jan Schmutz, professor at the Department of Psychology at the University of Zurich, and Andrea Cantisani, psychiatrist and research associate at the University of Bern, has investigated how such conditions affect team dynamics during a ten-month overwintering mission at Concordia Station in Antarctica.

25 May 2026

Smaller tetraploid cells drive more aggressive cancer

Megan Sweet slices tumors. A normal day in the lab finds the Virginia Tech graduate student with hands deep inside a refrigerated metal box, pulling a mounted mouse-grown tumor incrementally closer to a razor-sharp blade.

25 May 2026

Targeted nerve stimulation boosts movement-related brain activity in humans

The vagus nerve connects the brain to major organs throughout the body and plays important roles in many bodily functions.

25 May 2026

Gay dating apps during travel bring connection and emotional fatigue

New research shows that gay dating apps during travel can bring excitement and connection - but also emotional exhaustion, catfishing, and vulnerability.

25 May 2026

Changing landscapes in Southeast Asia cause thousands of excess deaths

Changes in land-use across Southeast Asia over the past 15 years are worsening air quality and contributing to thousands of excess deaths each year, according to a study led by researchers from Nanyang Technological University, Singapore (NTU Singapore).

25 May 2026

Novel RNA modification mechanism drives metabolic fatty liver disease progression

Nonalcoholic fatty liver disease (NAFLD) is a prevalent metabolic disorder with a complex pathogenesis. Although epitranscriptomic modifications such as N6-methyladenosine (m6A) have been implicated in NAFLD, the role of N1-methyladenosine (m1A) and its regulators is largely unexplored.

25 May 2026

New peptide triggers domino effect to suppress bladder cancer

Recently, a research team led by Professors Dahong Zhang and Qi Zhang from the Urology Department and the Institute of Urology at Zhejiang Provincial People's Hospital and the Translational Medicine Center discovered that a bladder tumor-targeting polyarginine peptide, R11, can directly bind to actin, destabilize the G-actin tetramer, and trigger the cascade breakdown of the actin-plectin-vimentin/ITGβ4 axis (referred to as the "cytoskeletal domino effect").

25 May 2026