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What is cancer, and how does it develop?

Considering cancer is the second biggest killer in the UK, a surprising number of us still don't know exactly what it is and why it develops.

The cancer disease is essentially where abnormal cells in the body multiply at an uncontrollable rate. These cancerous cells grow at such speed that your body cannot properly deal with them and a lump or tumour is formed.

To make matters worse some of the caner cells will often detach themselves from the tumour and move via the bloodstream to other parts of the body where they begin to form further tumours.

Although we still don't know the exact reasons why some people develop cancer and others don't, research has shown that certain lifestyle choices can significantly lower your risk of becoming another of this terrible disease's victims. The main steps you should take are don't smoke, follow a healthy diet, exercise regularly, limit your exposure to the sun and have regular medical check ups, particularly prostate examinations for men and smear tests and breast examinations for women.

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