'Using opportunities to reduce suffering is a laudable intention, whatever it is called. The road to hell, however, is paved with good intentions too. Thanks heaven critics like Aviad Raz keep us alert by pointing out unwanted side effects. A warned human counts for two.'.....Leo P ten Kate, Professor Emeritus of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands'Everyone confronting the social, cultural and ethical aspects of this field should reflect carefully on what this book has to say. It is an original, empirically informed and invaluable addition to the literature'..... Ruth Chadwick, Director of the ESRC Centre for Economic and Social Aspects of Genomics, Cardiff University, UK