Prostate Cancer

What is the prostate?
The prostate is a male sex gland that produces a thick fluid that forms part of the semen. The prostate is about the size of a walnut, although it can grow larger. It's located below the bladder and in front of the rectum. It surrounds the upper part of the urethra. This is the tube that empties urine from the bladder. The prostate needs male hormones, such as testosterone, to work normally.

What causes prostate cancer?
The exact cause of prostate cancer is not known. Men with close relatives who have had prostate cancer are more likely to get it, so it may be linked to genes. Some studies have found that diets high in red meat or high-fat dairy foods seem to slightly increase risk. Studies are being done to see if contact with certain chemicals increases the risk for prostate cancer.
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Prostate Gland

Anatomy of the Prostate Gland