12 Things Men Must Know About PSA Tests
What is a PSA test?
By Anne Harding
Prostate-specific antigen (PSA) is a protein produced by the prostate and found in the blood.
A PSA blood test can detect prostate cancer early, but it may not save lives. Sound confusing? It is. Many prostate cancers grow slowly, so a PSA test may save the lives of some men while causing others to have unnecessary surgeries or radiation treatments, which could cause lifelong problems such as erectile dysfunction or incontinence.
Here's what you need to know about PSA tests before having one.
Next: Low PSA is good