Summary: Click to hear an exclusive audio excerpt from Oprah's new book, "What I Know for Sure." Listen to Oprah's inspirational words about the necessity of physical fitness for a happy, healthy, fulfilling life.
Summary: Click to hear an exclusive audio excerpt from Oprah's new book, "What I Know for Sure." Listen to Oprah's inspirational words about the necessity of physical fitness for a happy, healthy, fulfilling life.