Friday, June 24, 2011

Information on prostate cancer and it’s causes

Prostate cancer is cancer of the small walnut-shaped gland in males that produces seminal fluid, the fluid that nourishes and transports sperm. Prostate cancer is one of the most common types of cancer in men, affecting about one in six men in the United States. A diagnosis of prostate cancer can be scary not only because it can be life-threatening, but also because treatments can cause side effects such as bladder control problems and erectile dysfunction (impotence).

Introduction :Prostate cancer is cancer of the small walnut-shaped gland in males that produces seminal fluid, the fluid that nourishes and transports sperm. Prostate cancer is one of the most common types of cancer in men, affecting about one in six men in the United States. A diagnosis of prostate cancer can be scary not only because it can be life-threatening, but also because treatments can cause side effects such as bladder control problems and erectile dysfunction (impotence).

The prostate is the walnut shaped gland in males located between the bladder and the urethra that is involved in the liquefaction of the male ejaculate. The gland is made up of secretory cells with a surrounding connective tissue stroma. Prostate cancer is the transformation of these secretory cells into malignant cells that have the potential to grow more rapidly and spread outside of the prostate.

About one in three men over the age of 50 have some cancer cells within their prostate and nearly all men over the age of 80 have a small area of prostate cancer. Most of these cancers grow extremely slowly and so, particularly in elderly men, will never cause any problems.

The most common way to check for prostate cancer is to have a digital rectal exam and a prostate-specific antigen (PSA) blood test. A higher level of PSA may mean prostate cancer, but it could also mean an enlargement or infection of the prostate.

What causes prostate cancer?

Exact cause of prostate cancer is not known but certain risk factors are linked to the disease. Risk factors are things that can increase your chance of developing a disease. Some of them are given below:

Age :Age is the strongest risk factor for prostate cancer. The chance of getting prostate cancer goes up quickly after a man reaches age 50.
Nationality:
Prostate cancer is most common in North America, northwestern Europe, and a few other places. It is less common in Asia, Africa, Central and South America.
Family History
Prostate cancer seems to run in some families. Men with close family members (father or brother) who have had prostate cancer are more likely to get it themselves, especially if their relatives were young when they got the disease.
Testosterone:
The male hormone, does not cause prostate cancer but is known to feed its growth. Therefore, some prostate cancer treatments are aimed at blocking the body's production of testosterone.
If several women in your family have had breast cancer (especially if they were diagnosed at under 40 years of age) an inherited faulty gene may be present. The gene may also increase the risk of the men in that family getting prostate cancer.

There is no convincing evidence that any dietary factors prevent prostate cancer. Eating a high fibre, low fat diet may reduce the risk. Diets high in cooked tomatoes and high in phytoestrogens found in soy products, lentils, beans and wholegrain cereals have also been reported to have a protective effect against prostate cancer but the evidence is not conclusive.
A high fat diet may increase your risk.
 

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