Health encyclopaedia

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Brain injury

The brain is protected by the skull, the thick bone structure of the head, and is supplied with blood by a network of arteries.

Despite the protection afforded by the skull, the brain is vulnerable to tears, ruptured nerves and blood vessel damage. Any of these injuries can cause bleeding, swelling or fluid build-up in the head, putting extensive pressure on the brain and resulting in tissue damage.

• Causes
• Symptoms
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• Getting help

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