Women having mammograms aren't the only ones getting mixed messages these days. Many men may be surprised to learn that questions have also been raised about whether the standard blood test to screen for prostate cancer does more harm than good. Some of the controversy surrounding the PSA (prostate-specific antigen) test will have a familiar ring to anyone who has followed the mammography debate. But there are also some important differences.
Two trials are under way to determine whether routine PSA tests save lives, but the results will not be in for five or 10 years. Until then, doctors must...
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