Nationally, incidence has increased since the early 1970s, with a steep rise during the early 1990s, due in large part to increased screening. The national rate is similar to the Minnesota rate. In Minnesota, the rate has also risen during the past several decades, although the rate has been stable since 1988. Lower rates seen in Mormons, Seventh-Day Adventists and Jewish men. Circumcision and vasectomy may be risk factors, although studies are as yet inconclusive.
Evidence supports a relationship between a high-fat diet and increased risk.
National organizations vary in their recommendations for use of these tests. Last updated December 15, 1999. Specific advice on diagnosing or treating a health care problem should be obtained from your health care provider. The University of Minnesota is an equal opportunity educator and employer.