Prostate CancerThe most common cancer among men, prostate cancer affects the gland that produces the seminal fluid which transports sperm. While it's unclear what causes prostate cancer, it usually grows slowly, remains confined to the prostate gland and is very treatable.
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Prostate cancer develops in a man's prostate, a tiny, walnut-shaped gland situated between the pubic bone and rectum that makes the fluid that nourishes and transports sperm. It is usually a slow-growing cancer and often curable.
Although prostate cancer is the second leading cause of cancer death in men, it is very treatable and may not cause serious harm if found while still isolated in the prostate gland. About 90% of men with prostate cancer have a five-year survival rate, and more than 60% live 10 years or longer after the disease is discovered and treated.
Although it's unclear what causes prostate cancer, the greatest risk for disease is older age. More than 75% of all prostate cancers are diagnosed in men older than 65 years of age. Additional risk factors for prostate cancer include a family history of the disease, a fatty diet (meat and dairy) and a sedentary lifestyle. African American men develop and die from prostate cancer twice as often as caucasian men, for unknown reasons.