When you zone out after pulling an all-nighter, the brain flushes out cerebrospinal fluid (CSF), which surrounds the brain ...

Share on PinterestNew research links dementia to problems with the brain’s waste clearance system. Asya Molochkova/Stocksy ...

A major international study has uncovered a new biological clue that could help predict dementia long before memory problems arise. Researchers from the University of Cambridge and Zhejiang University ...

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.

Why the brain feels "foggy" after a poor night's sleep has finally been explained. Attention lapses due to sleep deprivation coincide with a flushing of fluid from the brain - a process that normally ...