Yawning has long been dismissed as a sign of boredom or fatigue, a social cue we mostly try to suppress in meetings and on ...
One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove ...
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 ...
Yawning and deep breathing each have different effects on the movement of fluids in the brain, and each of us may have a ...