Diagnoses of early prostate cancer continue to decline in the United States, viagra 60mg following the U.S. Preventive Services Task Force recommendation against routine screening for the disease, cialis researchers report.
The screening involves a blood test that identifies levels of PSA (prostate specific antigen), a protein produced by the prostate gland. That test can determine when cancer exists, but it often wrongly identifies nonexistent cancer.
These “false positive” results can cause anxiety and lead to unnecessary follow-up tests. Because of this, the task force issued a draft recommendation against routine screening in 2011 and a final guideline in 2012.
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