MCCANDLESS TWP — Dr. Ray Vactor of the Wexford Chiropractic Centre, will discuss and demonstrate "Nutrition Response Testing" and how it can correct and promote health and weight loss issues at 7 p.m. Aug. 26 at Northland Library, 300 Cumberland Road. In addition, there will be a drawing for a Purification Program, valued at $239. To reserve a space, call at 724-316-6199; seating is limited.