PSA screening for prostate cancer

Two studies come to different conclusions about the benefits, leaving patients and their doctors to decide what makes sense

When it comes to men's health, one could argue that the prostate-specific antigen (PSA) test to screen for prostate cancer is the most critical test a man can have. It is also the most controversial. That's because many experts believe prostate cancer is the exception to the rule that early detection of cancer saves lives. In fact, PSA screening may actually result in more harm than good.