J.D. Fitzgerald/Special to the Explorer, Canyon del Oro English teacher Ann Bonar walks 10,000 steps a day to stay healthy. Since listening to Healthiest Town in America promoters Drs. Bob and Debbie Oro, Bonar lost 35 pounds from January through July of last year, and she’s keeping it off. The second Healthiest Town in America celebration is this Saturday, March 6, at Oro Valley Marketplace.