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What happens to your brain when you get a concussion? Ellen Kuhl explains it's all about Tau.

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Produced in partnership with the Living Matter Lab at Stanford University.

Written by Ellen Kuhl and Jorge Cham
Illustrated by Jorge Cham
Produced and animated by Roser Segura Flor
Narrated by Meg Rosenburg
Music by Antonio Fernandez Ruiz: http://antoniofernandez.es/

Supported by Stanford Bio-X Seed Grant "Molecular Mechanisms of Chronic Traumatic Encephalopathy"