ScienceAlert on MSN
Yawning Does Something Unexpected in Your Brain, MRI Scans Reveal
(Anna Cinaroglu/Moment/Getty Images) Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, ...
Cerebrospinal fluid (CSF) is a clear and watery liquid that flows in and around the brain and spinal cord. Its functions include protecting parts of the nervous system, delivering nutrients and ...
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