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Low-grade inflammation connects aging, obesity and cognitive impairment

Obesity and older age are strongly associated with low-grade inflammation in the body, a condition that appears closely linked to cognitive decline and dementia.

9 Feb 2026

Newly identified protein interaction fine-tunes cellular stress responses

Cornell researchers have discovered a new way cells regulate how they respond to stress, identifying an interaction between two proteins that helps keep a critical cellular recycling system in balance.

9 Feb 2026

Engineered CAR-T cells reduce Alzheimer’s plaques in mice

Chimeric antigen receptor (CAR) T cell therapy, a type of immunotherapy that leverages the immune system to combat diseases, is a powerful treatment option for certain cancers.

9 Feb 2026

Brain immune cells regulate new neuron formation in adults

Breakthrough research from the University of Cincinnati College of Medicine is revealing how immune cells in the adult brain can regulate the generation of new neurons.

9 Feb 2026

Chronic brain compression triggers neuron death through multiple pathways

To think, feel, talk and move, neurons send messages through electrical signals in the brain and spinal cord.

9 Feb 2026

Staffing and flexibility drive nurses’ return to hospital work

Most registered nurses who recently left hospital employment are motivated to return to health care work-and safe nurse staffing levels is the top factor that would bring them back, according to new research from the University of Pennsylvania School of Nursing's Center for Health Outcomes and Policy Research (CHOPR).

9 Feb 2026

Long-term omeprazole use linked to mineral imbalance risks

A study conducted in Brazil by researchers at the Federal University of São Paulo (UNIFESP) and the ABC Medical School (FMABC) warns that the prolonged use of proton pump inhibitors (PPIs) can impair nutrient absorption.

9 Feb 2026

Medical AI can repeat false claims in clinical contexts

Medical artificial intelligence (AI) is often described as a way to make patient care safer by helping clinicians manage information. A new study by the Icahn School of Medicine at Mount Sinai and collaborators confronts a critical vulnerability: when a medical lie enters the system, can AI pass it on as if it were true?

9 Feb 2026

Study reveals DNA methylation score that better detects alcohol intake than standard biomarkers

A Mediterranean cohort study evaluated a DNA methylation biomarker of alcohol intake and compared it with conventional indicators such as GGT. The epigenomic score correlated with alcohol exposure, linked to telomere shortening and epigenetic aging markers, but findings remain observational and population-specific.

9 Feb 2026

New analysis asks if alcohol guidance needs stronger trials to settle the health debate

The viewpoint reviews conflicting evidence on alcohol consumption, highlighting discrepancies between observational studies, genetic analyses, and public health guidance. It concludes that large randomized trials comparing alcohol moderation versus cessation are needed to clarify long-term health effects.

9 Feb 2026

Cannabis legalization linked to rising tobacco and cannabis co-use

The legalization of cannabis and the start of retail sales of the drug in the US are linked to both a rise in its recreational use and concurrent use of tobacco, as well as a fall in sole tobacco use, finds an analysis of health behavioral data, published online in the journal Tobacco Control.

9 Feb 2026

Obesity drives one in ten infectious disease deaths

Just over one in 10 deaths from a wide range of infectious diseases can be attributed to obesity worldwide, finds a major new study led by a University College London (UCL) researcher.

9 Feb 2026

Engineered enzyme enables fast and accurate RNA synthesis

From vaccines and diagnostics to emerging gene-based therapies, RNA molecules are now central to modern medicine.

9 Feb 2026

Barriers to testosterone therapy drive men toward underground sources

Some men are resorting to obtaining testosterone replacement therapy (TRT) from underground sources due to significant barriers to accessing the therapy through formal medical channels, according to new Griffith University research.

9 Feb 2026

Research provide new insights into the brain mechanisms underlying juvenile fibromyalgia

Children and adolescents affected by juvenile fibromyalgia show greater sensitivity to non-painful sensory stimuli, such as sounds and bright lights.

9 Feb 2026

Does concern about climate change influence meat choices? New U.S. survey suggests it does

A nationally representative U.S. survey found that about 12% of adults self-report not eating red meat, with higher prevalence among women, older adults, college-educated individuals, and certain minority groups. Reporting climate change and environmental issues as a top national concern was independently associated with a greater likelihood of reporting no red meat consumption.

9 Feb 2026

Tirzepatide shows dual benefits in sleep apnea trial improving metabolism and reducing inflammation

Tirzepatide significantly improved cardiometabolic risk markers in adults with obesity and moderate to severe obstructive sleep apnea in the SURMOUNT-OSA phase 3 trials. Mediation analyses suggest both weight loss and reduced sleep-disordered breathing contributed to improvements in inflammation, insulin resistance, lipids, and blood pressure.

9 Feb 2026