Schwann cells are much more prolific in generating myelin than previously believed. Knocking out the fbxw7 gene in mouse models, researchers discovered individual Schwann cells began to spread myelin across many axons.
University of Manchester researchers have identified a genetic disease that appears to affect the size of the brain, leading to developmental problems. The disease is linked to mutations in the RAC1 gene.
Researchers say a single season of playing high school football is all it takes to cause microscopic alterations to the structure of the brain.
Having a blood pressure of less than 120 MM HG can extend a person's lifespan from between six months to three years, depending on how old they were when they began intensive blood pressure control.
Researchers report cognitively normal older people who experience excessive sleepiness during the day have more brain atrophy than those who do not experience fatigue.