Secondary brain tumors are malignant tumors that started in other cells of your body. ... usually start in cells that make myelin, which is the electrical insulation for your nerve cells.

New research reveals that Alzheimer's disease may impair nerve function not by reducing myelin, but by altering the proteins ...

Myelin is a fatty substance that surrounds and insulates nerve fibers in the brain and spinal cord, forming a sheath that facilitates the rapid transmission of electrical signals between neurons.

Now, Zac is a thriving 11-year-old. The Brain Tumour Charity / SWNS. Zac, who is now 11, responded well to the drug and will remain on the medicine until he is a teenager.

Previous work identified OPCs—dividing cells in the adult brain that play a crucial role in the brain's maintenance—as one of the brain cell types that give rise to these tumors.

He suspects the brain routinely taps into myelin for fuel, just at levels too low to detect—except during extreme events like a marathon. But there’s no need to panic, he says.

11-Year-Old's Brain Tumor Discovered After Roller Coaster Ride: 'We Found It Before It Spread' Connie Campbell started showing symptoms of a then-undetected medulloblastoma just two days after ...

A UK dad was diagnosed with a brain tumor after dismissing a seizure while on vacation as “overindulgence and exhaustion.” Wayne Lewis, 62, collapsed in the bathroom, unable to move or speak ...