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Aromatherapy And Essential Oils - The Basics
Copyright 2005 Donovan Baldwin Aromatherapy is the use of oils extracted from various, primarily fragrant, plants to aid in the relief of a range of physical or mental discomforts or illnesses. These oils, commonly referred to as "essential...

Eugenics and the Future of the Human Species
"It is clear that modern medicine has created a serious dilemma ... In the past, there were many children who never survived - they succumbed to various diseases ... But in a sense modern medicine has put natural selection out of commission....

Herbal Supplements - Ashwagandha, Shilajit, Amla, Brahmi, Tulsi and more
Herbal Supplements - Bedellium, Withania, Shilajit, Emblica, Brahmi, Tulsi, Shallaki, Garlic, Triphala, Bitter Melon, Neem, Vallerian, Arjuna Ayurveda is perhaps the oldest system of health care in the world and originates from the...

Lose Weight While You Sleep
Believe it or not, sleep has a great deal to do with how and what you eat and maintaining your weight. Your body runs according to your biological clock. This clock is difficult if not impossible to change. So, you must create your lifestyle...

The Benefits of Green Tea
Green tea's popularity in the United States continues to grow as the number of new medical studies increase, showing that green tea is a rich and natural source of antioxidants. These antioxidants help protect the body from accelerated ageing and...

 
Prostate Cancer with Low PSA

One of the problems with screening tests for cancer is that there is an assumption that if you have a negative test, you don't have cancer. Many people just don't realise that you can have cancer with a negative screening test. For prostate cancer serum PSA levels of 4 μg/L or more are considered to show the possible presence of cancer. An analysis of men in a large randomised study shows that cancer is also found in men with lower levels.

Although the risk of finding a cancer on biopsy is directly related to PSA levels below 4 μg/L, there is no PSA value below which a man has no risk of prostate cancer. Moreover, this statement applies not just to any grade of prostate cancer, but even to high grade cancers where disease progression in the absence of


treatment is to be expected.

Its importance is that it is a harsh reminder of the failures as opposed to the benefits of screening. Older men with normal PSA values of 4 μg/L or below should still be on the lookout for warning signs, as 1 in 8 will have prostate cancer worth treating despite that normal result.
About the Author

A Certified Family Physician of the Philippine Academy of Family Physician and continue to complete the requirements for Continuing Medical Education in Family Practice. Also a member of the Philippine Medical Informatics Society, Philippine Occupational Health and Safety Inc., and Pangasinan Medical Society. Faculty Department of Physiology (Medicine) Lyseum- Northwestern University, Dagupan, Pangasinan, Faculty Medical Informatics Lyseu

 

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