The brain can be divided into so-called gray matter and white matter. The white matter contains the axons that transmit stimuli. For faster stimulus transmission, the axons are wrapped in an insulating layer of myelin, in ...
Feb 23, 2022
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Individuals who experience an unpleasant tingling in their hands or feet or who suffer from painful discomfort and numbness could be affected by a neuropathy—a disorder of the nervous system in which the nerve fibers become ...
Dec 3, 2019
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Three main causes for the inability of injured nerves of the central nervous system, or CNS, to regenerate have been known to date: the insufficient activation of a regeneration program in injured nerve cells that stimulates ...
May 20, 2021
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A new analysis involving over 13,000 people has found changes to blood vessels in the brain that can increase the risk of stroke and dementia are common in people with a range of heart conditions, regardless of whether they ...
Mar 26, 2024
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Exposure to violence, social conflict, and other stressors increase risk for psychiatric conditions such as depression and post-traumatic stress disorder. Not everyone who experiences significant stress will develop such ...
Aug 13, 2019
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More than half of our brains are made up of glial cells, which wrap around nerve fibers and insulate them—similarly to how the plastic casing of an electric cable insulates the copper wire within—allowing electrical and ...
Apr 11, 2016
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By monitoring the behavior of a class of cells in the brains of living mice, neuroscientists at Johns Hopkins discovered that these cells remain highly dynamic in the adult brain, where they transform into cells that insulate ...
May 9, 2013
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No treatment currently exists that can stop the silent progression of multiple sclerosis, and many promising drugs have proved ineffective in clinical trials. To reduce this failure rate and better predict the potential of ...
May 3, 2023
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People with multiple sclerosis (MS) lose myelin in the gray matter of their brains and the loss is closely correlated with the severity of the disease, according to a new magnetic resonance imaging (MRI) study. Researchers ...
Sep 10, 2014
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Women suffering from sleep apnea have, on the whole, a higher degree of brain damage than men with the disorder, according to a first-of-its-kind study conducted by researchers at the UCLA School of Nursing. The findings ...
Dec 3, 2012
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