Prostate Cancer Awareness

September 14, 2014

By Alisa-Jayne Butler

 

September is the International Prostate Cancer Awareness Month

 

Prostate cancer is the most common cancer in Australian men (apart from common skin cancers) with about 18, 500 new cases are reported every year.

1 in 7 Australian men are at risk of developing prostate cancer before the age of 75, and 1 in 4 men will be affected by the age of 85.

 

The prostate:

 

The prostate is a small gland about the size of a walnut that sits below the bladder and is found only in men. It produces most of the fluid that make up semen. The gland surrounds a tube called the ‘urethra’, which carries urine (from the bladder) and semen (from the prostate and other sex glands) through the penis and out of the body.

 

The prostate normally gets bigger as a man gets older, with the growth of the prostate depending on the male sex hormone, testosterone, which is made by the testicles (testes).

A growing prostate may narrow or block the urethra, which can change urinary patterns. This enlargement is called benign prostate enlargement – it is not cancer, and usually begins around the urethra, deep inside the prostate. This growth may cause symptoms such as:

  • Weak urine flow

  • Frequent urination, especially at night

  • An urgent need to urinate

  • Leaking or dribbling after urinating

  • Bone pain in the lower back, upper thighs or hips

 

Prostate cancer:

 

Prostate cancer develops when abnormal cells in the prostate gland grow more quickly than in a normal prostate, forming a malignant tumour. Most prostate cancers grow slower than other types of cancer.

 

Early prostate cancer rarely causes symptoms. This is because the cancer usually grows in the outer part of the gland and is not large enough to put pressure on the urethra. If the cancer grows and spreads beyond the prostate (advanced or metastatic cancer), it may cause:

  • Pain or burning when urinating

  • Increased frequency or difficulty urinating

  • Blood in the urine or semen

  • Pain in the lower back, hips or upper thighs

  • Weight loss

 

As you can see, these symptoms are common to other conditions, including benign prostate enlargement previously mentioned, and may not be a sign of advanced prostate cancer. However, if you are experiencing any of these symptoms, please speak to your health care practitioner.

 

Unlike bowel and breast cancer, there is no screening program available for prostate cancer. This is because there is no sufficient evidence at present that routine screening for prostate cancer (using a blood test and an examination) is beneficial. This is why it is important to note any changes in bodily function to your health care practitioner.

 

Causes of prostate cancer:

 

While the causes of prostate cancer are unknown, the chance of developing prostate cancer increases:

  • As you get older – it mainly affect men over 65

  • If your father or brother has had prostate cancer

  • If you have a strong family history of breast or ovarian cancer

  • If you are of African descent – you have a higher risk than men of European descent

 

Prevention:

 

Although some risk factors for prostate cancer cannot be controlled, such as age and ethnicity, researchers continue to look into when men can do to lower their personal risk. There is no proven way to completely prevent this disease, but there may be steps you can take to lower your cancer risk.

  • Quit smoking

  • Limit alcohol

  • Be physically active everyday

  • Diet

    • No study has proven that diet and nutrition can directly cause or prevent the development of prostate cancer. The following dietary information may be helpful:

      A diet high in fat, especially animal fat, may increase prostate cancer risk. In fact, many healthcare professionals believe a low-fat diet may help reduce the risk of prostate cancer in addition to having other health benefits.

    • A diet high in vegetables, fruits, and legumes (beans and peas) may decrease the risk of prostate cancer. It is unclear which nutrients are directly responsible. Although lycopene, found in tomatoes and other vegetables, may slow or prevent cancer growth. In any case, such a diet does not cause harm and can lower a person’s blood pressure and risk of heart disease.

 

There are also some supplements that may nourish and protect the prostate gland, please see you healthcare professional about these options.

 

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