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The Biology of Cancer.

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The Biology of Cancer In this report I will discuss the biology of cancer, including the explanations of what is cancer, what causes it and how it can be prevented. In addition, I will briefly discuss the different ways it is treated. What is cancer? Cancer develops when cells in a part of the body begin to grow out of control. Although there are many kinds of cancer, they all start due to the abnormal cells growing out of control. Normal body cells grow, divide and die in an orderly fashion. Until a person is an adult, the cells divide very rapidly, whereas after they have become an adult, the cells in most parts of the body divide only to replace worn out or dying cells and to repair injuries. ...read more.


Who gets cancer? Over one million people get cancer each year. Anyone can get cancer at any age; however, about 77% of all cancers are diagnosed in people aged 55 or older. Today, millions of people are living with cancer or have been cured of the disease. The sooner a cancer is found and the sooner treatment begins, the better the patient's chances of a cure. Therefore early detection of cancer is very important when fighting cancer. What causes cancer? Some kinds of caner are caused by things that people do. Smoking can cause cancers of the lungs, mouth, throat, bladder, kidneys and several other organs as well as heart disease and stroke. While not everyone who smokes gets cancer, smoking does increase a person's chance of getting cancer, in addition to drinking alcohol, which increases cancer of the mouth and throat. ...read more.


There are tests, called screening examinations that adults should have in order to find cancer early. It cancer is found early it can often be cured. How is cancer treated? The four major types of treatment for cancer are surgery, radiation, chemotherapy, and biologic therapies. A person's cancer treatment will be entirely based on their unique situation. Certain types of cancer respond very differently to different types of treatment, so determining the type of cancer is a vital step towards knowing which treatments will be most effective. The cancer' stage, how widespread it is will also determine the best course of the treatment since the early stages of cancer respond differently to therapies of late stages of cancer. Reference: Oliver, Ray Understanding Biology, published 1997 Hamilton, Mary Human Biology, published 1998 New Treatment of Cancer Approved, The Guardian 15th December 1996. www.biozone.co.uk Farzana Jalil AS1D 05-11-2003 ...read more.

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