Dr Tracey Gaudet is Director of the Duke Center for Integrative Medicine at Duke University (one of the pre-eminent medical research schools in the US). She was the founding executive director of the Integrative Medicine programme at the University of Arizona in Tucson, founded by bestselling author Dr Andrew Weil. Tracey is one of four experts Oprah features in her Lifestyle Makeovers segments. She and her husband, Dr Richard Liebowitz, live in Durham, North Carolina.