Medical research

Researchers uncover signal needed for blood-brain barrier

What makes the vital layer of protective cells around the brain and spinal cord—the blood-brain barrier—more or less permeable has been one of the more mystifying questions in neuroscience.

Medical research

Paralysed man walks again via thought-controlled implants

A paralyzed man has regained the ability to walk smoothly using only his thoughts for the first time, researchers said on Wednesday, thanks to two implants that restored communication between brain and spinal cord.

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