The 'silent' X chromosome within female brains may not be so silent after all. A new study has found evidence in both mice and humans that as we age, 'sleeping' X chromosomes can be 'awakened' in ...

Parkinson's disease does more than cause tremor and trouble walking. It can also affect sleep, smell, digestion and even thinking. That may be because the disease disrupts communication in a brain ...

Researchers have a new hypothesis for how brain cells called astrocytes might contribute to memory storage in the brain. Their model, known as dense associative memory, would help explain the brain's ...

A new brain imaging study has found no evidence of widespread brain inflammation in patients suffering from prolonged symptoms after COVID-19 infection. Instead, the most severe long COVID symptoms ...

Recent work has revealed some of the many crucial functions of astrocytes, brain cells that were once thought to play primarily supportive roles for neurons. Astrocytes do handle debris around neurons ...

OK, if I say the word puppy, you probably get a mental picture of something cute and cuddly with ears and a wiggly tail. And that's because most brains can generate an internal image without any input ...

Chewing might help reduce stress responses in certain people because it can lower tension and help the body move toward a ...

Add Yahoo as a preferred source to see more of our stories on Google. Nothing’s quite as refreshing as a slushie or ice cream cone on a hot, humid day. But these frozen treats can sometimes trigger ...

Dehydration, skipped meals, and heart issues can all be behind that faint feeling.

Parkinson's disease appears to disrupt a brain network involved in everything from movement to memory. This complex brain network may explain many of Parkinson's stranger symptoms Parkinson's disease ...