SIOUX FALLS, SD – Visitors to this year’s South Dakota State Fair can enjoy fun, food and get tested for cancer. The Cancer Awareness and Prevention Booth and a Mammogram Van will be available during the fair in Huron, which runs from Sept.1 to 5. Free screenings for prostate cancer will be available for the duration of the fair at the Cancer Awareness and Prevention booth. No appointment is necessary. Avera McKennan will conduct free mammograms to screen for breast cancer on Sept. 2. Appointments are necessary.© 2011 Associated Press. All rights reserved