Dr. Mehmet Oz is vice chairman and professor of surgery at Columbia University. He directs the Cardiovascular Institute and Complementary Medicine Program at New York Presbyterian Hospital. Dr. Oz is also the best-selling author of You: The Owner’s Manual and Healing From the Heart, as well as the health expert on The Oprah Winfrey Show.

As George Clooney, Noah Wyle, and Julianna Margulies return to County General one last time, best-selling author Dr. Mehmet Oz examines the show’s impact on viewers—and patients.