Dr. Parnell Donahue is a pediatrician, a military veteran, and the author of four books, a blog, and ParentingWithDrPar.com. He writes The Parenting Matters Podcast and is host of WBOU's "Parenting Matters" show. He and his wife, Mary, have four adult children; all hold PhDs, two are also MDs. Contact him at Parenting-Matters.com.