What Exactly Is Multiple Sclerosis?

This month, many countries the world over will be helping spread awareness of Multiple Sclerosis — but what exactly is the disease? This video, by ASAP Science, helps explain.

Sadly, MS — an inflammatory disease where the fatty myelin sheaths around the axons of the brain and spinal cord are damaged — is currently untreatable. We don't even know its true cause. But that could change with enough research, and that's why knowing about the condition is so important. [ASAP Science]

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