Yawning can impact the flow of cerebrospinal fluid and venous blood flow, suggesting a regulation of neurofluids and increase in carotid arterial blood flow.

In a new study, yawning has been shown to push the brain’s clear fluid in the opposite direction of a deep breath.

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 ...

Not much is known about why we yawn, but scientists have discovered that we start yawning while we're still fetuses. A study published in PLOS ONE on Nov. 21 shows that fetuses clearly begin yawning ...

Although yawning seems like a small, everyday action, recent studies have found that it causes an unexpected reaction in the ...

Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called mirror ...

New research shows contagious yawning is not only common in other species, and can happen between species, it can even be caused by a robot You can save this article by registering for free here. Or ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

Bears do it; bats do it. So do guinea pigs, dogs and humans. They all yawn. It's a common animal behavior, but one that is something of a mystery. There's still no consensus on the purpose of a yawn, ...

It is highly contagious and very common. You can catch it at any time, and there may be nothing you can do to prevent it. Sound scary? Fortunately, it, yawning, is not too harmful...unless you are on ...

Why do we yawn? We tend to yawn before sleep and after waking, when we are bored or under stimulated. We yawn in the anticipation of important events and when we are under stress. What do all of these ...