In a new book (You: Being Beautiful with Michael Roizen, MD), Oprah's favorite doctor, Mehmet Oz, serves up a revealing beauty quiz and gives advice on how you can achieve a more magnificent you. If you've already taken the test and want to improve your score, along with your appearance, health, and sense of purpose, get 6 Essential YOU-Q tools.

Test adapted from You: Being Beautiful, by Michael F. Roizen, MD, and Mehmet C. Oz, MD. Copyright © 2008 by Michael F. Roizen, MD, and Oz Works, LLC. Reprinted by permission of Free Press, a division of Simon and Schuster, Inc.