People need to sleep, and sleep deprivation can cause many changes in the brain. But we have a poor understanding of why sleep is so crucial. New research has examined a fruit fly model to assess how ...

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 ...

With every heart attack, billions of cardiomyocytes, the contracting heart muscle cells that make the heart pump time after time over a lifetime, are lost which can lead to heart failure or injury.