PSA test for prostate cancer can lead to more harm than good: task force

A national task force that issues guidelines for doctors says PSA testing should not be used to screen men for possible prostate cancer because it can lead to more harms than benefit. The Canadian Task Force on Preventive Health Care says measuring prostate specific antigen, or PSA, in blood is not an effective screening tool because it often produces false-positive results that lead to unnecessary treatment. Task force member Dr. Neil Bell says almost one in five men aged 55 to 69, for instance, have at least one false-positive PSA test and about 17 per cent end up with unnecessary biopsies. Read more here.