Norman Nielsen is not a statistic. If the 70-something Nevada City resident was a statistic, he would not have met suggested guidelines to have a Prostate-Specific Antigen (PSA) screening each year because of his age and a new recommendation from the U.S. Preventative Services Task Force against the use of PSA-based test for prostate cancer. He also would not have known that he had prostate cancer. But Nielsen feels strongly about the important of an annual physical exam — including a PSA screen. That proactive approach to his health just may have saved Nielsen’s life. “He’s one of the ones …