S. J. Davies Psychopharmacology Unit, University of Bristol, Bristol, UK. C. A. Lowry Department of Integrative Physiology, University of Colorado, USA. D. J. Nutt Psychopharmacology Unit, University of Bristol, Bristol, UK. Journal of Psychopharmacology 21(6) (2007) 563–566 © 2007 British Association for Psychopharmacology ISSN 0269-8811 SAGE Publications Los Angeles, London, New Delhi and Sin...