Quote Originally Posted by andrewv View Post
When you have to have a PSA (prostate-specific antigen) test, you have to abstain for 2 to 3 days because PSA is elevated after sex. It is like fasting before a blood test.
It is the standard test to measure prostate function -- looking for signs of cancer, prostate enlargement, etc.

All men over 40 should have an annual PSA.
Does the age count into the PSA or do they have to take it as another factor? Eg diet, fast, specifics