Yawning has an unexpected influence on the fluid inside your brain
Turns out your yawn is doing way more than signaling boredom or fatigue – it's actually reorganizing the flow of fluids in your brain in ways scientists never expected.
Researchers at Neuroscience Research Australia recently placed 22 volunteers in MRI scanners and had them yawn, breathe deeply, and suppress yawns to examine what was actually happening inside their heads. — Read the rest
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