Marathon runners experience reversible changes in their brain myelin. These findings indicate ... Carlos Matute, Professor of Anatomy and Human Embriology at the UPV/EHU and a researcher at ...

New research shows that running a marathon can cause a temporary reduction in brain myelin, the fatty substance that insulates neurons and supports efficient communication.

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in which the disappearance of myelin and, therefore, of its energy contribution, facilitates structural damage and degeneration." Carlos Matute, Professor of Anatomy and Human Embriology at the ...

Get Instant Summarized Text (Gist) Marathon runners experience a temporary reduction in brain myelin during a race, with levels returning to normal within two months. This reduction occurs in ...

In addition, numbness may be due to a disease or medications that cause demyelination (destruction of the protective coating of nerves, called the myelin sheath). Less commonly, thumb numbness may be ...

In MS, the immune system mistakenly attacks the myelin sheath, a fatty coating around nerve cells. Like an insulator on electrical wires, myelin protects nerve fibers and ensures the efficient ...

Distribution of Ranvier nodes along myelinated axons is a critical determinant of conduction velocity, significantly influencing spike arrival timing and hence neural circuit function. The patterns of ...

Participants' brain scans suggest that during a marathon, when glucose in the brain runs dangerously low, some neurons can begin munching on myelin – a fatty sheath that forms around nerve fibers in ...