A kind of star - shaped brain cell that helps support surrounding nerve cells plays a much more pivotal role in maintaining the brain's vitality than researchers had thought. (sciencemag.org)
The researchers found that the tissue made normal connections with surrounding nerves and muscle tissues in the mice, and those connections allowed the tissue to function normally. (scientificamerican.com)
No one knows what causes multiple sclerosis, in which the body's immune system attacks the protective myelin sheath surrounding nerve fibers in the brain and spine. (healingcare4u.org)