Dr. Georgia Witkin, author of the new book, “The Modern Grandparent’s Handbook: The Ultimate Guide to the New Rules of Grandparenting,” (New American Library, $15)…[says that] the average age for a first-time grandparent is 48….Whether they work or not, grandparents are busy, active people. They’re shaking their bodies in Zumba classes, running marathons, biking from the suburbs into the city and back, and chatting with friends and family, far and near, on Facebook.
And some grandmothers, like Gregory of Southfield, Mich., are even abandoning the traditional moniker for names that better fit their personalities and lifestyles, such as Grand, GiGi or Nana.