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

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove waste that accumulates during waking hours. In a 2019 study, Lewis and her ...

Manipulating how much carbon dioxide a person breathes can crank up the brain's 'sewage system', researchers have found. The proof-of-concept study, led by neuroscientists at the University of New ...

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 ...

Hypothermia lowers whole body temperature while frostbite freezes exposed tissues; Know symptoms early to avoid organ failure and life threatening complications.

Certain times—and workouts—are better than others.