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The first thing you should know is that the word 'cancer' actually refers to many different diseases.

Cancer is a disease of the cells. Our bodies are made up of billions of cells - they're basically like building blocks. Cells are constantly dying and so our bodies are constantly producing new ones to replace them. This production of new cells that allows us to grow, to replace worn-out cells and to heal after an injury.

For more straighforward facts about cancer visit related links below.

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14y ago

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