Yawning can impact the flow of cerebrospinal fluid and venous blood flow, suggesting a regulation of neurofluids and increase in carotid arterial blood flow.
A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate. Encased in the skull, perched atop the spine, the brain has a ...
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Yawning may quietly protect your brain, study finds

Although yawning seems like a small, everyday action, recent studies have found that it causes an unexpected reaction in the fluid protecting the brain. A research team in Australia reports that a ...
Scientists at the Institute for Basic Science (IBS) have uncovered a non-invasive method to boost the brain’s natural waste drainage system—a discovery that they suggest could open new avenues for ...