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Brain injury in football: Lessons from America

The Rugby World Cup is now well under way and has put a renewed focus on concussion and head knocks.

BBC Scotland's John Beattie examined the issue in a special documentary Panorama: Rugby and the Brain - Tackling the Truth.

He has also been hearing about a movement in the United States to "take the head out of the game" in the world's biggest sport - football.

John put together this special report for the BBC's Scotland 2015 programme.

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