Prostate Cancer Prevention (cont.)
Purposes of this summary
The purposes of this summary on prostate cancer prevention are to:
You can talk to your doctor or health care professional about cancer prevention methods and whether these methods would be likely to help you.
Prostate cancer prevention
The prostate is a gland in males that is involved in the production of semen. It is located between the bladder and the rectum. The normal prostate gland is the size of a walnut and surrounds the urethra, the tube that carries urine from the bladder.
Significance of prostate cancer
Prostate cancer is the most common nonskin cancer among men in the United States. Although the number of men with this disease is large, the number of men who are expected to die of the disease is considerably smaller, since the majority of men diagnosed with prostate cancer do not die of it.
Prostate cancer prevention
Prostate cancer can sometimes be associated with known risk factors for the disease. Many risk factors are modifiable though not all can be avoided.
Age: The risk of developing prostate cancer increases as a man gets older.
Chemoprevention: Chemoprevention is the use of specific natural or man-made drugs, vitamins, or other agents to reverse, suppress, or prevent cancer growth. Several agents, including difluoromethylornithine (DFMO), isoflavonoids, selenium, vitamins D and E, and lycopene have shown potential benefit in studies. Further studies are needed to confirm this.
Diet and lifestyle: The effect of diet on prostate cancer risk is under study. A diet high in fat, especially animal fat, may be associated with an increased risk of prostate cancer. More studies are needed to determine if a low-fat diet with more fruits and vegetables helps prevent prostate cancer.
Studies show that a diet high in dairy products and calcium may be linked to an increased risk of prostate cancer, although the increase may be small.
Hormonal prevention: Studies are underway to discover the role of certain drugs, such as finasteride, that reduce the amount of male hormone as preventive agents for prostate cancer.
Race: The risk of prostate cancer is dramatically higher among blacks, intermediate among whites, and lowest among native Japanese. However, this increase in risk may be due to other factors associated with race. Studies have shown a link between levels of testosterone and prostate cancer risk, with black men having the highest levels.
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