Join The Prevent Cancer Foundation for the 11th Annual Prevent Cancer Health Fair and 5k Walk/Run on Nov. 3, starting at 7:45 a.m., at Nationals Park. The health Fair is 9:30 to 11:30 a.m. This year, all kids 12 and under are free. So, bring the entire family including canines for a day of exercise, education and fun. After getting some morning exercise at the 5k, stop by the health fair for free health and wellness screenings, healthy food and kids’ activities. This annual event is hosted by the Prevent Cancer Foundation, one of the nation’s leading voluntary health organizations and the only US nonprofit organization solely focused on cancer prevention and early detection. youcanpreventcancer.org.