The ethics of human stem cell research.

摘要: The medical and clinical promise of stem cell research is widely heralded, but moral judgments about it collide. This article takes general stock such offers one specific resolution. It canvasses a spectrum value on sources, complicity, adult cells, public private contexts. then examines how debates abortion converge diverge. Finally, proposes to extend the principle "nothing lost" current debates. extension links historical discussions ethics direct killing with unprecedented possibilities that in vitro fertilization procedures yield. A definite normative region inhabit located, within larger range rival judgments. creation embryos for purposes only should be resisted, yet "excess' permissible by virtue an appeal principle.