Answer: PSA testing
Explanation:
The blood test called as the prostrate specific antigen( PSA) test that measures the level of PSA and helps in detecting the early prostrate cancer.
Men who cross over the age of 50 can ask for this test to their general physician. There are chances that men after the age of 50 may suffer from prostrate cancer.
PSA can detect the prostrate specific antigen in the blood which shows the developing cancer in the prostrate.