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.

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

Sleep deprivation triggers CSF movements during wakefulness, briefly pushing the brain into a sleep-like state that disrupts ...

New research shows sleep deprivation can push the awake brain into a sleep-like state, disrupting attention and brain fluid ...

FRIDAY, Jan. 23, 2026 (HealthDay News) — Brain tumors are abnormal growths of cells in or around the brain. They can be ...

The last cents were pressed in Philadelphia on Wednesday. From here on out, a penny saved is more than just a penny earned; it's also a relic of history. The final penny was minted on Wednesday at the ...

A major international study by the University of Cambridge and Zhejiang University finds CSF movement on MRI can predict dementia years before symptoms, outperforming traditional cardiovascular risks ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and ...

Recent research suggests that the circulation of brain fluid could serve as an early indicator of dementia, even before the onset of memory problems. This discovery underscores the potential of ...

Nearly everyone has experienced it: After a night of poor sleep, you don't feel as alert as you should. Your brain might seem foggy, and your mind drifts off when you should be paying attention. A new ...