DAUPHIN COUNTY, Pa. (WHTM) — MacKenzy Zerby says she might have been upset had she known her mother-in-law, Katherine Zerby, was sharing MacKenzy’s medical details at the nail salon. But boy is MacKenzy glad about that indiscretion. MacKenzy was eight years old when she was diagnosed with Type 1 Diabetes. She’s the first to concede […]