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Brain tumour biology

The brain is our body's most complex organ, responsible for who we are and everything we do. Find out more about the brain and brain tumours, including what can cause them and how they're different to brain cancer.

What is a brain tumour?

Find out about primary and secondary brain tumours and how common they are.

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What causes brain tumours?

Generally there is nothing that you could have done to prevent a brain tumour.

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The human brain

The human brain is the most complex organ in our bodies, responsible for everything we do.

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Brain cells

Every organ in our body is made up of cells which carry out specific functions.

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What is brain cancer?

Not all brain tumours are cancerous. Brain tumours graded 3 or 4 are defined as cancerous.

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Different types of brain tumours

Learn more about the 130+ known types of brain tumour recognised by the World Health Organisation

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