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Closed head injury: Fast facts

Closed head injury: Fast facts (00:00:23)
Video Transcript

A closed head injury happens  when your head gets hit hard.

The strong force of the blow causes  your brain to shake in your skull.

This movement can cause the  brain to bruise, swell, or tear.

Sometimes nerves or blood  vessels also get damaged.

This can cause bleeding in or around the brain.

A concussion is a type of closed head injury.

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