The development of new biomedical technologies has some enthusiastic proponents -- scientists, the medical community, patient organisations, and politicians all hope for new cures and new industrial applications. At the same time, there is resistance to the new technologies from other groups for a variety of religious, political, and ethical reasons. In this book, Anders Persson and Stellan Welin address the important perspectives on xenotransplantation and human embryonic stem cell research. For various reasons, the methods have been fervently promoted and equally vehemently opposed by...