Yaks may hint at a way to treat brain diseases like MS

A genetic mutation helps keep the brain healthy and even repairs some damage

A shaggy yak stands on rocky ground in a mountain valley with snowcapped peaks rising in the background.

Animals that live at high altitudes, such as this yak in Pakistan, have a genetic mutation that may suggest new ways to treat brain diseases like multiple sclerosis.

Awa.jahan/Wikimedia Commons (CC BY-SA 4.0)

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