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  Health section health topics a-z asthma & respiratory issues bones, joints & muscles cancer digestive conditions heart health mental health pain management vitamins & supplements healthy living active living public health & safety dental health featured conditions allergies cold & flu diabetes skin conditions more ehow home mom style food tech money health featured: halloween allergies ehow family health men's health psa levels abnormal psa levels x must see: slide shows abnormal psa levels the national cancer institute estimates that more than 190,000 men will be diagnosed with prostate cancer in 2009. It is the second most common form of cancer in men. free viagra samples by pfizer Testing for prostate-specific antigen levels, or psa, is a screening tool used for the early detection of prostate cancer, and to monitor whether cancer has reoccurred in men who were successfully treated. Viagra onset and duration of action The psa test is usually performed in combination with a digital rectal exam (dre). cheap generic viagra india Other people are reading what is a high psa level? discount generic viagra What causes a high psa level? buying viagra Print this article what are psa levels? best place to buy viagra online Psa is measured in nanograms per milliter of blood (ng/ml). free viagra samples by pfizer According to the prostate cancer foundation, normal levels are below 4 ng/ml, and readings over 10 ng/ml are high. Results between four and 10 are called intermediate. However, doctors are more recently looking at the rate of change in psa as a more accurate indicator of whether further testing is needed. side effects viagra viagra At this time, an increase of 0. 75 per year is acceptable, but a greater increase would require additional testing. viagra and viagra best price Frequency recommendations the u. effects of taking half a viagra S. Generic viagra that works Food and drug administration approved the use of psa tests as a yearly screening in men over 50. lowest price on generic viagra Many doctors concur, according to the nci. However, when risk factors such as family history of cancer are present, some physicians recommend screenings beginning up to 10 years earlier. Generic viagra samples Factors affecting psa a raised psa level does not automatically mean cancer, as other factors can contribute to a higher number. dove comprare viagra online forum Mayo clinic indicates that elevated levels also can be caused by infection or inflammation. buy generic viagra Benign prostate hyperplasia, which is non-cancerous enlargement of the prostate in older men, is another cause of raised psa. free viagra samples by pfizer If other risk factors are absent and the dre was normal, some physicians recommend a period of "watchful waiting" and retesting for psa before ordering more invasive tests such as biopsy. Limitations although it is a useful screening tool combined with a dre, the psa test is not a definitive means of detecting prostate cancer. buy viagra According to medicinenet. generic viagra united states Com, some men show normal readings eve. viagra women benefits