David Servan-Schreiber, M.D., Ph.D, is a clinical professor of psychiatry at the University of Pittsburgh School of Medicine and cofounder of the Centre for Integrative Medicine at the University of Pittsburgh Medical Centre. His first book The Instinct to Heal was an international bestseller and France's bestselling non-fiction book of the year in 2004, selling over 600,000 copies in the trade edition alone.