Catrina's sister, Kariesha, says she's her inspiration for funding scholarships and providing internships for promising students in need.
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Get the full list of Oprah's Ultimate Favorite Things for 2010
Dr. Oz and Dr. Michael Roizen share their opinions on the hottest health topics and teach you how to have the best relationship with your doctors.
Oprah Radio host Dr. Mehmet Oz talks with Dr. Michael Roizen about some of their favorite guests from 2009, including New York Times writer Nicholas Kristof.
Get a behind-the-scenes look at how Oprah chooses her "Favorite Things".
Catch up with some of our most memorable audience members and meet the dedicated team of Harpo staffers who fill the studio seats season after season.