By Ed Edelson
EmpowHer's HealthDay Reporter
MONDAY, March 10 (HealthDay News) -- Changes in medical practice have undermined the value of the prostate-specific antigen (PSA) test as a diagnostic tool for prostate cancer, a new study asserts.
However, that assertion was immediately challenged by other experts in the field.
The American Cancer Society recommends annual screening for prostate cancer for most men after age 50. The screening is done in two steps: a digital rectal exam, followed by a blood test for PSA, a protein produced by the prostate gland.