Prostate Cancer Essay

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Prostate Cancer Prostate cancer is the abnormal growth of cells in a man's prostate gland. The prostate sits just below the bladder. It makes part of the fluid for semen. In young men, the prostate is about the size of a walnut. It usually grows larger as you grow older. Prostate cancer is common in men older than 65. It usually grows slowly and can take years to grow large enough to cause any problems. Most cases are treatable, because they are found with screening tests before the cancer has spread to other parts of the body.1 Although most men may die with prostate cancer, most men do not die from it. Causes Experts don't know what causes prostate cancer, but they believe that age, family history (genetics), and race affect the chances of getting it. Eating a high-fat diet may also play a part.2 Causes | Prostate cancer is caused by changes in the DNA of a prostate cancer cell. DNA makes up our genes, which control how cells behave. | |DNA is inherited from our parents. A small percentage (about 5% to 10%) of prostate cancers is linked to these inherited changes. Prostate | |cancer may also be linked to higher levels of certain hormones. High levels of male hormones (androgens) may play a part in prostate cancer| |risk in some men. Some researchers have noted that men with high levels of a hormone called IGF-1 are more likely to get prostate cancer, | |too. But others have not found such a link. More research is needed in this area. | |While it is not known exactly what causes prostate cancer, we do know that certain risk factors are linked to the disease. Different | |cancers have different risk factors. Some risk factors, such as smoking, can be controlled. Others, like a person's age or family history, | |can't be changed.

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