JOHN HAWORTH is a Research Fellow in the Research Institute for Health and Social Change at Manchester Metropolitan University, UK. He has published extensively on work, leisure and well-being. Formerly at Manchester University, he co-founded the Leisure Studies Association, and the international journal Leisure Studies. GRAHAM HART is Director of the Centre for Sexual Health & HIV Research at University College London, UK. His main research interests are in risk behaviours for and interventions to prevent unwanted sexual health outcomes, including HIV infection. He has published widely in...