Groundbreaking new study may have just discovered why we yawn - ...
(Anna Cinaroglu/Moment/Getty Images) Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, ...
The space between the arachnoid and pia meningeal layers encasing the brain is a landscape of connective tissue, blood vessels, and cerebrospinal fluid. Scientists debate how that fluid moves within ...
While deep breathing moves CSF toward the brain, yawning sometimes pushes it away. Both actions increase blood flow out of ...
Every time you stand up and walk across the room, your abdominal muscles contract in a rhythm you probably never notice.