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Hidden genetic differences in gut bacteria may hold clues to aging

Researchers analyzed approximately 12.8 million gut microbial genetic variants in 10,781 individuals across six cohorts, identifying 940 independent associations with 69 human health characteristics and environmental exposures. Nearly two-thirds of these associations were not accompanied by significant differences in bacterial species abundance, suggesting that microbial genetics can reveal relationships overlooked by conventional microbiome analyses, although causality remains unproven.

5 Nov 2026

The type of fiber you eat shapes how gut bacteria feed and work together

A 2021 review examined how the chemical structure and physical properties of dietary fiber influence which gut bacteria can break it down and how microbial species compete and cooperate during fermentation. The authors described how these interactions contribute to short-chain fatty acid production, while emphasizing the need for further research involving intact plant foods to understand their implications for human health.

1 Nov 2026

Tailoring prostate cancer radiotherapy to body clock could cut long-term side effects

A study by Leicester researchers shows that the timing of radiotherapy treatment may be as important as how it is given for prostate cancer patients.

30 Oct 2026

Evolutionary changes in key enzyme help bacteria fine-tune protein synthesis

Evolutionary changes in key protein synthesis enzyme, isoleucyl-tRNA synthetase (IleRS), may help bacteria fine-tune how quickly proteins are made, report researchers from Institute of Science Tokyo, Japan; the University of Zagreb Faculty of Science, Croatia; and ETH Zürich, Switzerland.

29 Oct 2026

UCL scientists design symbolic AI digital twins to treat cancer

In a new paper published in Cell Reports Medicine, the UCL team outline how they, in collaboration with a University of Cambridge team, developed a new type of treatment-predicting computer program that uses an individual's detailed genetic fingerprint to explore which treatments, if any, may kill their cancer – especially when standard treatments have failed.

26 Oct 2026

What can 6,000 brain scans tell us about Alzheimer's?

KARI's multimodal imaging dataset reveals critical insights into Alzheimer's disease, linking amyloid, tau, and brain structure to cognitive performance.

23 Oct 2026

Duke initiative aims to bring dementia AI tools into clinical practice

Artificial intelligence (AI) could transform care for older adults and people living with dementia, but few tools have successfully moved from research into routine clinical practice.

21 Oct 2026

Why the same healthy diet may not work the same way for everyone

A review published in Nutrients proposes a seven-pillar precision nutrition framework that combines biological, behavioral, and environmental information to tailor dietary interventions throughout life. The authors identify potential benefits for cardiovascular, respiratory, blood, and sleep health, while emphasizing the need for further clinical trials to establish effective, accessible, and personalized nutritional strategies.

20 Oct 2026

Pregnancy reshapes the maternal brain through remarkable neurological changes

For generations, women have been told that the forgetfulness, emotional shifts, sensory changes, and altered sense of self that accompany pregnancy and new motherhood are simply "mommy brain."

13 Oct 2026

Tiny archaeon offers new clues to the minimum genetic requirements for life

Scientists have discovered a previously unknown microorganism, which has the smallest genome ever found, that is possibly able to replicate and express its own genetic information.

9 Oct 2026

Bonn researchers successfully rejuvenate human cells in a test tube

Researchers from the University Hospital of Bonn and the University of Bonn have succeeded in dramatically rejuvenating human cells in a test tube.

9 Oct 2026

Precise phenotyping improves genetic prediction of sensorineural hearing loss

A team of hearing specialists at Vanderbilt Health analyzed thousands of data samples in the institution’s BioVU biobank to understand genetic susceptibility of sensorineural hearing loss, which is caused by damage to the inner ear.

8 Oct 2026

Adults with ADHD face higher risk of developing dementia later in life

A new study led by University of Pittsburgh School of Medicine researchers finds that adults with attention-deficit/hyperactivity disorder (ADHD) face a significantly higher risk of developing dementia or mild cognitive impairment later in life.

7 Oct 2026

New workflow rapidly identifies deadly fungal bloodstream infections

Bloodstream infections are a persistent threat to hospitalized patients, and those caused by fungi are particularly dangerous. Candida species are responsible for most invasive fungal infections worldwide and rank among the leading causes of hospital-acquired bloodstream infections overall.

5 Oct 2026

People with evening chronotypes face higher risk of early disability retirement

People with evening chronotypes have a 1.7 fold elevated risk of needing to retire early and take a disability pension compared with morning chronotypes, suggest the findings of research published online in the journal Occupational & Environmental Medicine.

29 Sep 2026

Scientists map a giant parasite machine to fight tropical diseases

A study conducted between the University of Liège and Rockefeller University reveals, with near-atomic precision, the three-dimensional structure and function of a gigantic molecular machine essential to the survival of trypanosomatid parasites, which cause serious diseases in humans, animals and plants.

23 Sep 2026

Waist-to-height ratio reliably detects chronic liver disease risk in children

Metabolic dysfunction-associated steatotic liver disease (MASLD) is now the most common chronic liver disease in children and adolescents, closely mirroring the global rise in childhood obesity.

22 Sep 2026

Cohesin protein protects genetic information during cell division

Cell division, a process fundamental to life, still holds surprises. Researchers from the University of Zurich and the Spanish National Cancer Research Centre (CNIO) have discovered a key mechanism that allows cells to protect genetic information as they divide.

21 Sep 2026

Stalled gut microbiome development triples risk for type 1 diabetes in children

Type 1 diabetes affects more than 9 million people worldwide, including 1.8 million children and adolescents.

21 Sep 2026

Study identifies powerful inherited risk factor for lung cancer

A rare inherited mutation in the Epidermal Growth Factor Receptor (EGFR) gene is associated with a 25-fold increased risk of lung cancer, according to a study by investigators at Dana-Farber Cancer Institute and 23andMe Research Institute.

17 Sep 2026