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High-dose vitamin D may improve cognition among those at risk of dementia, study finds

With more than 7 million Americans living with Alzheimer's dementia—a number projected to reach nearly 13 million by 2050—new Emory University research suggests that higher vitamin D supplement intake may be associated with ...

AI-calculated brain age predicts dementia risk years before doctors can see it

Memory clinics still rely on visual rating scales to assess brain atrophy, yet these tools lack the sensitivity to catch subtle changes associated with early dementia. A measure of how old a person's brain appears on brain ...

Medical research news

Ambient light activates wearable patch for wound treatment

A research team has developed a wearable patch that simultaneously promotes wound closure and tissue regeneration using room light or sunlight, without batteries or an external electrical power source. The work has been published ...

Does your immune system learn like AI?

Could AI hold the key to answering questions that have stumped doctors and scientists for decades? A recent study at Cold Spring Harbor Laboratory (CSHL) borrows concepts from machine learning to address an age-old riddle ...

Newly found 'immune organ' inside skull directs brain defense

Researchers at Washington University School of Medicine in St. Louis have discovered lymph node-like structures in the skull bone marrow of mice for the first time and demonstrated that they act as rapid first responders ...

Why do we get sleepy? How neurons control sleep drive

Why does staying awake inevitably make us sleepy? Researchers at the University of Basel, Switzerland, have identified neuronal populations in the brains of mice that become activated during prolonged wakefulness and are ...

Rise of GLP-1s raises long-term affordability questions

As use of GLP-1s surged across the U.S., average total payments per user also climbed sharply, according to a new Northwestern University study that analyzed national trends in GLP-1 use and spending between 2017 and 2022. ...

Dynamic 3D scaffold could advance fibrosis and cancer research

Because living systems are dynamic, biomaterials should be dynamic in their mechanical properties, including stiffness. The bioelectronic conducting material PEDOT:PSS is often used in electronics and biomedical applications. ...

How exercise keeps our brains healthy as we age

There's growing evidence linking brain health with exercise. A new study from Victoria University (VU) strengthens the case for exercise as a critical part of protecting the brain from age-related decline like dementia and ...