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Professor of Genetic Epidemiology, King's College, London; author, 'Identically Different: Why We Can Change Our Genes'
Tim Spector is Professor of Genetic Epidemiology at King's College, London, and a consultant physician at Guy's and St. Thomas Hospital. In 1993 he set up the Twins UK register, the largest of its kind in the world, which he continues to direct. He has appeared in numerous television documentaries and is the author of Identically Different: Why We Can Change Our Genes (Overlook Press, August 2013).