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Blood-based test can predict risk of developing symptoms of Alzheimer's up to a decade early
A blood test for the biomarker phosphorylated tau 217 (p-tau217) recently received federal clearance, but questions have emerged about the extent to which such tests can accurately predict whether a cognitively healthy individual ...
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Rapid magnetic brain stimulation eases depression within days, but benefits fade within weeks
Despite decades of advances in mental health care, depression remains one of the world's most disabling conditions. Many people with major depressive disorder (MDD) fail to find lasting relief from antidepressants or psychological ...
16 hours ago
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Medical research news
Ultrafine air particles may drive 2 million premature deaths each year
Ultrafine particles (UFPs) –smaller than 100 nanometres and invisible to the naked eye—contribute substantially to illness and mortality worldwide. That is the finding of an international study led by researchers at the Max ...
8 hours ago
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Imaging study reveals widespread brain connection loss in schizophrenia
Research involving a Rutgers professor sheds new light on the biological basis of schizophrenia by directly measuring synaptic connections in the human brain using specialized positron emission tomography (PET) imaging.
9 hours ago
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Mature eye cells turn back into stem cells after injury, mouse study finds
Researchers at Technion have uncovered a surprising natural mechanism through which the body repairs itself: Contrary to what was previously believed, mature, aged cells retain an extraordinary ability to "turn back time" ...
9 hours ago
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The body has an early warning system that helps the brain prepare for a viral attack
Picture this: You're enjoying a summer lunch outdoors, unaware that beneath the table, a hungry mosquito is circling your ankles—until you feel the telltale bite. If that mosquito happens to be carrying a pathogen like West ...
9 hours ago
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Scientists uncover genetic clues from a tumor-prone reptile that could advance cancer research
A new study led by experts at the University of Nottingham suggests a pet gecko with an unusually high risk of tumors may be a promising model for understanding how cancer develops and spreads. The findings of the study, ...
5 hours ago
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Scientists discover how macrophages age differently throughout the body
Why does the immune system become less effective as we age? A new USC study published in BMC Biology offers fresh insights by examining a key immune cell type across tissues: macrophages.
5 hours ago
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Why some people are more prone to negative emotions than others
Why are some people particularly prone to anxiety, worry or stress, while others remain more composed? An international study led by the Central Institute of Mental Health (CIMH) shows that the amygdala—previously considered ...
12 hours ago
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An experimental Alzheimer's drug shows promise targeting a different brain protein, new study shows
An experimental drug might help slow early Alzheimer's disease in a markedly different way than today's treatments—by lowering levels of a brain protein called tau, researchers reported Tuesday.
11 hours ago
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How an emerging class of tick-borne viruses escape human immune defenses
Warmer temperatures bring out ticks that spread diseases such as Lyme disease and Rocky Mountain spotted fever. But another class of emerging tick-borne pathogens—nairoviruses—is on the rise. Some nairoviruses cause high ...
11 hours ago
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Amyloid-clearing treatment may curb tau buildup for years in Alzheimer's brain
An analysis of the brain of a deceased Alzheimer's disease (AD) clinical trial participant found that regions where an anti-amyloid therapy successfully cleared amyloid plaques showed little to no evidence of tau tangles, ...
12 hours ago
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Going to the cinema, theater or a museum may slow down physiological aging
An analysis published online in the Journal of Epidemiology and Community Health suggests higher levels of cultural engagement are significantly associated with lower physiological aging.
5 hours ago
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Patient-specific 3D-printed contact lenses in just 20 minutes
A breakthrough combination of new silicone materials and advanced 3D printing technology developed by University of Waterloo researchers could transform how contact lenses are manufactured. The study, "Patient-specific hard ...
12 hours ago
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Real-time biosensor measures pH, glucose and lactate in preserved donor livers
More than 100,000 people in the United States are waiting for a lifesaving organ transplant. For patients who need a liver transplant, determining whether a donor liver is healthy enough to transplant is a critical part of ...
12 hours ago
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Metabolites produced by gut bacteria may protect against fungal infection
A metabolic byproduct formed when gut bacteria break down dietary fiber appears to protect against dangerous fungal infections common in immunocompromised patients, a study led by UT Southwestern Medical Center researchers ...
13 hours ago
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Preterm birth impacts early educational achievements, study finds
More than half (57%) of children born before 32 weeks were not ready for school at age 5, including in areas such as communication and language and physical and emotional development. Those born earlier, at 23–24 weeks, were ...
13 hours ago
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Plant-based wound dressing fights infection before it takes hold
A new dressing made from plant-based materials can deliver antibiotics directly to wounds during critical early stages of infection, according to researchers from the University of Bath. The study, published in Bioactive ...
18 hours ago
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Wearable microneedle patch tracks antibiotic levels in real time, preclinical tests show
Wearable devices have transformed how people track exercise, sleep, heart rate and other vital signs. Researchers at King Abdullah University of Science and Technology (KAUST) are now exploring whether similar technologies ...
9 hours ago
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Immune response to otherwise harmless yeast becomes a problem in Crohn's disease
Almost everyone carries Candida albicans. The yeast colonizes human mucous membranes—for example, the oral mucosa and the intestine—usually silently, without causing any problems. The immune system learns early on how to ...
10 hours ago
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