Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

spc cnn world rugby concussion explained_00001029
spc cnn world rugby concussion explained_00001029

    JUST WATCHED

    What is a concussion?

MUST WATCH

What is a concussion?

England Rugby's chief medical officer Dr. Simon Kemp explains to CNN's Christina Macfarlane how concussion affects the brain.

What is a concussion?

England Rugby's chief medical officer Dr. Simon Kemp explains to CNN's Christina Macfarlane how concussion affects the brain.