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Thalamic feedback pathway found to tune sensory perception

The cerebral cortex processes sensory information via a complex network of neural connections. How are these signals modulated to refine perception? A team from the University of Geneva (UNIGE) has identified a mechanism by which certain thalamic projections target neurons and modify their excitability.

30 Jul 2025

Respiratory infections can reactivate dormant breast cancer cells

Researchers at the University of Colorado Anschutz Medical Campus, Montefiore Einstein Comprehensive Cancer Center (MECCC), and Utrecht University have found the first direct evidence that common respiratory infections, including COVID-19 and influenza, can awaken dormant breast cancer cells that have spread to the lungs, setting the stage for new metastatic tumors.

30 Jul 2025

Flavor bans linked to drop in e-cigarette use but may slow decline in smoking

A new study by investigators from Mass General Brigham examined the effects of policies banning flavored e-cigarettes on adults and young people.

30 Jul 2025

Single injection of gene therapy at birth may offer lasting protection against HIV

A new study in Nature shows that delivering a single injection of gene therapy at birth may offer years-long protection against HIV, tapping into a critical window in early life that could reshape the fight against pediatric infections in high-risk regions.

30 Jul 2025

Wastewater surveillance for detecting COVID-19 offers early warning and cost savings

Wastewater surveillance at treatment plants offers a low-cost, early warning method for detecting COVID-19. Researchers in Japan conducted an economic evaluation of a system for long-term care facilities that combines wastewater data with clinical testing thresholds to guide timely interventions.

30 Jul 2025

Most US adults have older heart age than actual age

Most U.S. adults have a "heart age" several years older than their chronological age - sometimes by more than a decade.

30 Jul 2025

Promising new treatment helps the immune system attack and destroy liver tumors

Liver cancer cells thrive on fat, posing a serious risk of cancer diagnosis for millions of people living with fatty liver disease.

30 Jul 2025

Harnessing the power of gut bacteria to enhance cancer immunotherapy effectiveness

A comprehensive new review reveals both the promise and challenges of using fecal microbiota transplantation (FMT) to enhance cancer immunotherapy effectiveness.

30 Jul 2025

Cancer immunotherapies linked to increased risk of liver cholestasis

A global study reveals that cutting-edge cancer immunotherapies, while lifesaving, carry a hidden risk: they may trigger cholestasis, a serious liver condition where bile flow stalls.

30 Jul 2025

Myth of tongue swallowing delays life-saving CPR in collapsed athletes

Despite widespread public health efforts, the dangerous myth of "prevention of tongue swallowing" continues to persist during cardiopulmonary resuscitation (CPR).

30 Jul 2025

New high-selectivity nanozyme enables rapid and visible disease diagnostics

To enable early diagnosis of acute illnesses and effective management of chronic conditions, point-of-care testing (POCT) technology—diagnostics conducted near the patient—is drawing global attention.

30 Jul 2025

Innovative technologies push pediatric MRI beyond diagnostics

From fetal stages through adolescence, the b;rain undergoes rapid, layered development—from basic motor skills to complex emotional regulation.

30 Jul 2025

FDA Breakthrough Device designation granted for AI-based mammogram analysis tool

A new technology that harnesses AI to analyze mammograms and improve the accuracy of predicting a woman's personalized five-year risk of developing breast cancer has received Breakthrough Device designation from the Food and Drug Administration (FDA).

30 Jul 2025

New insights reveal how Candida albicans settle and persist in the gut

About 80% of people have the fungus Candida albicans in their gut. Although most of the time it persists unnoticed for years causing no health problems, C. albicans can turn into a dangerous microbe that causes serious diseases in many organs, including the urinary tract, lungs and brain.

30 Jul 2025