What links our Siberian ancestors to a heightened risk of developing multiple sclerosis?

By Antonio González-Martín, Profesor Antropología Física, Universidad Complutense de Madrid

The genetic predisposition to suffering from multiple sclerosis (MS) is closely linked to historical migration patterns, and to our ancestors’ lifestyles. Specifically, MS is linked to the genetic contributions made by nomadic populations who reached Western Europe 5000 years ago from the Siberian Steppe.

Human genomes vary by 0.1%, and this difference is often the result of responses to environmental pressures. When faced…

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