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Neuron cell bodies switch gene programs to steer growing axons, study finds
A new discovery by neuroscientists at Brown University's Carney Institute for Brain Science challenges long-held beliefs in neurobiology about how neurons extend axons to reach their targets.
8 hours ago
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Chromatin protein DAXX may help preserve brain immune cells during aging
As humans get older, their brains undergo various changes that can affect mental functions. The cells known to be affected by aging include microglia, the primary immune cells in the brain and spinal cord, which help eliminate ...
17 hours ago
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Medical research news
Volatile work hours cut access to employer health insurance, study finds
In the 46 years since Dolly Parton wrote the workers' anthem "9 to 5," American jobs, and access to employment-based health insurance, have changed a lot.
9 hours ago
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Experimental drug shows potential for hard-to-treat heart disease
An experimental drug has been shown to improve symptoms, exercise capacity and heart failure status in patients with an inherited heart disease, according to a pair of newly published studies.
10 hours ago
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A blind retina isn't silent—and its noise may hinder efforts to restore sight
When retinitis pigmentosa takes a person's sight, the standard clinical test goes flat: no response, no signal, nothing. Yet the retina behind that flat line is anything but quiet.
10 hours ago
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Cancer drug pushes mutant blood stem cells to become short-lived immune cells
The biologic drug interferon-alpha can benefit patients with blood cancers called myeloproliferative neoplasms by forcing mutant blood stem cells to become shorter-lived white blood cells, according to a study by Weill Cornell ...
11 hours ago
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New study sheds light on dementia among Indigenous Bolivians
In two Indigenous communities living preindustrial lifestyles in the Bolivian Amazon, dementia is remarkably uncommon. However, a new longitudinal study reveals why earlier estimates told only part of the story.
11 hours ago
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Watching sports on YouTube doesn't mean you'll get off the couch, new research shows
YouTube has become a go-to platform for sports content, offering far more than traditional game broadcasts and sports news. Alongside highlights and commentary, viewers can find content tailored to their interests, including ...
10 hours ago
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Hot, dry weather can make you cough more—salty air might help
UNC School of Medicine researcher Brian Button, Ph.D., professor of biochemistry and biophysics, and collaborators have identified how extremely dry air during heat waves can make the airways more sensitive and more likely ...
12 hours ago
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Stopping dying cells from rupturing could help donor livers withstand transplantation
During transplantation, blood flow to the donor liver must stop as it's moved to the recipient. Once transplanted, oxygen-rich blood is restored, yet doing so can cause what is called ischemia-reperfusion injury. To protect ...
11 hours ago
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Air pollutant exposure linked to heightened risk of death by suicide/suicidal thoughts
Exposure to air pollutants, especially small particulate matter (PM2.5 and PM10) and nitrogen dioxide (NO2), may heighten the risk of death by suicide and suicidal thoughts, suggests a pooled data analysis of the available ...
6 hours ago
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Experimental cancer vaccine makes its own oxygen and gives T-cells a boost
When it comes to priorities in life, oxygen tops the list. Humans can go weeks without food and days without water. Take away the ability to breathe, however, and the clock starts ticking within minutes as the brain begins ...
13 hours ago
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Unhealthy Western diet linked to faster cognitive decline in people with genetic risk of Alzheimer's
An unhealthy Western-style diet was associated with faster cognitive decline in people with a genetic risk of Alzheimer's disease, according to new research led by Murdoch University and Alzheimer's Research Australia. The ...
13 hours ago
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Stable answers help medical AI flag diagnoses clinicians can trust
AI agents could reliably support diagnoses and clinical decision-making in the future—provided sensitive health data are protected and clinicians can assess the reliability of individual AI-generated results. Researchers ...
6 hours ago
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New ablation approach improves outcomes for persistent atrial fibrillation
Atrial fibrillation is the most common cardiac arrhythmia and increases the risk of conditions such as stroke and heart failure. An established treatment is catheter ablation, in which physicians use thin catheters to create ...
9 hours ago
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AI helps pathologists find signs of preeclampsia, advancing diagnosis and treatment
Preeclampsia is one of the leading causes of pregnancy-related death. Even after a healthy delivery, mother and baby can go home only to show signs of a postpartum hypertensive disorder days or weeks later.
13 hours ago
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Learning reorganizes neural activity patterns to help distinguish important smells
Learning can change how the brain organizes sensory information, but researchers are still working out what those changes look like across large groups of neurons. One possibility is that the brain stores a familiar smell ...
7 hours ago
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Simulated epidemics could lead to more reliable hospitalization forecasts
A mathematical model is a simplified description of reality that can be used to solve practical problems, predict future events or explain how different systems work. During pandemics, mathematical models can be valuable ...
14 hours ago
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Just 3 minutes with miniature horses and donkeys improves mood of teens
Interacting with animals can make people feel calmer, less lonely and less anxious. A new study from the University of California, Davis, shows that animals play an active role in shaping these interactions and their outcomes.
19 hours ago
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New method explores how mitochondrial tRNA changes can reshape immune cell behavior
For generations, scientists have looked to the genetics inside immune cells for ways to improve how the body fights disease.
8 hours ago
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