Current biogenetic imposes ask: What can lawfully do? What we are required? Should we prohibit or allow? Given these questions, philosophers have no eternal behavior patterns although they may recommend some respectable codes. This book invites us to rethink ethics. We remember how it was related to politics during antiquity and the Middle Ages until Hobbes and Machiavelli began to untie the Christian moral policy and direct it towards civil peace. Locke, Rousseau, Kant and the French Revolution contributed to the domestication of the modern democratic state, the exaltation of human dignity and its relationship to moral autonomy and political sovereignty. After the social revolution, postmodernism and globalization, the remaining task is to establish a global human civilization cooperative peer-different. On this tour is clear that moral codes are not invariable and the author argues that today the power of the ethical obligations should be the moral autonomy. From a precision of the notion of person and rejecting all absolutist paternalism, both political-legal field as a doctor, the author analyzes problems as the generative act, abortion, aging, euthanasia and suicide. A serene reflection on the meaning of human existence concludes this excellent definition of the history and current scope of Ethics for Bioethics