Weird, shape-shifting glial cells are your brain’s caretakers. They’re the first responders in the event of a head injury, and — having colonized every nook and cranny of the place while you were still in the womb — they’re your cranial custodians…
Source: https://bigthink.com/lack-of-sleep-makes-your-brain-eat-itself#Echobox=1569772226
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