Yawning has long been a curious behavior, often contagious and even a little contagious, but now, recent research has ...

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove ...

Brain tumors are abnormal growths of cells in or around the brain. They can be primary (originating in the brain) or secondary (metastatic, spreading to the brain from cancer elsewhere). They can also ...

Yawning and deep breathing each have different effects on the movement of fluids in the brain, and each of us may have a ...