Scientists from City St George’s, University of London created a terrifyingly realistic android head to determine whether ...

First, yawning increases blood flow to the brain and enhances blood flow back to the heart. Second, the deep inhalation of air during a yawn is thought to cool blood in vessels in the nose and mouth.

A yawn is an involuntary reflex that involves opening the mouth wide and taking in a deep breath, followed by a slow exhale. Several theories exist about why we yawn, but researchers have not ...

In addition to a careful exam, hearing testing and an MRI of the brain is generally recommended. Early treatment with ...

Yawning is a reflexive action characterized by a deep inhalation by opening the mouth, followed by a short exhalation. It is an involuntary process, that we all encounter once in a while.

2. Oxygen Intake. According to Dr Srivastav, yawning improves alertness and cognitive function by raising blood oxygen levels and releasing carbon dioxide.

Some fishes and sharks yawn just after they’ve eaten. The stretching of the mouth and extension of the bones appears to be a way for them to re-position their jaws. They also yawn in the presence of ...

Yawning is an involuntary action characterised by opening your mouth wide, taking a deep breath, and then exhaling slowly. It often occurs when you’re tired, bored, or even after seeing someone else ...