Medical research

Worms reveal why melatonin promotes sleep

Melatonin is used as a dietary supplement to promote sleep and get over jet lag, but nobody really understands how it works in the brain. Now, researchers at UConn Health show that melatonin helps worms sleep, too, and they ...

Radiology & Imaging

Tracer molecule may improve imaging tests for brain injury

Researchers have validated a new radiolabeled molecule that can be used with imaging tests to accurately detect and characterize brain injury. The team, led by investigators at Massachusetts General Hospital (MGH), recently ...

Neuroscience

New drug reduces stroke damage in mice

Neuroscientists at the University of Pittsburgh Brain Institute have identified a novel drug that could protect the brain during and after a stroke.

Cardiology

An atomic view of the trigger for the heartbeat

Atomic-level studies of the architecture of tiny sodium channel proteins, critical to generating electrical signals that start off each beat of the heart, are imparting striking details about their function, malfunctions, ...

Neuroscience

Why myelinated mammalian nerves are fast and allow high frequency

University of Alabama at Birmingham researchers, for the first time ever, have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, they found unexpected ...

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