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Chronic vegetative states: intrinsic value of biological process.

A 'naturalistic principle' has been put forth by Rolston, which leads to respect for the irreversibly comatose by virtue of the residual biological (objective) life. By comparing objective and subjective life, he develops a naturalistic principle which he contrasts with the humanistic norm of contemporary medical ethics. He claims there are clinical applications which would necessarily follow. A critique of this viewpoint is presented here, which begins with an analysis of what might be of value in spontaneous objective life. A measure of the moral worth of simple objective life is attempted by means of comparison with our attitudes toward animals. Finally, some of the clinical applications suggested by Rolston are reviewed. Except for euthanasia, there appear to be few clinical situations where the naturalistic principle helps in problem solving.

Bioethics↗

Respect for the dead and dying.

Against the thesis that permanently unconscious persons cannot be harmed, and thus are not owed moral deference, it is argued that even the dead can be harmed and are owed moral respect, so a fortiori those dubiously or not quite dead deserve some moral deference.

Bioethics↗

Genetic therapy, person-regarding reasons and the determination of identity.

It has been argued, for example by Ingmar Persson, that genetic therapy performed on a conceptus does not alter the identity of the person that develops from it, even if we are essentially persons. If this claim is true then there can be person-regarding reasons for performing genetic therapy on a conceptus. Here it is argued that such person-regarding reasons obtain only if we are not essentially persons but essentially animals. This conclusion requires the defeat of the origination theory, which says that personal identity is determined by the identity of the foetus from which one originates. It is argued that the origination theory is false in the special case relevant to performing genetic therapy on a conceptus for person-regarding reasons.

Altruism↗

Genetic therapy, person-regarding reasons and the determination of identity -- a reply to Robert Elliot.

I have outlined two ways of defending the claim that there are so-called person-regarding reasons for practising gene therapy on human conceptuses. One is metaphysical and concerns our nature and identity. The upshot of it is that, in cases of most interest, this therapy does not affect our identity, by bringing into existence anyone of our kind who would not otherwise have existed. The other defence is value theoretical and claims that even if genetic therapy were to affect the identity of beings of our kind, there could still be person-regarding reasons for performing it, since we can be benefited and harmed by being caused to exist or not to exist. Robert Elliot has attacked both of these lines, and my present objective is to show how his criticisms can be deflected.

Altruism↗

Is it good to make happy people?

Would it be good, other things being equal, for additional people to exist whose lives would be worth living? I examine and reject several arguments for the answer that it would not be good; then I offer opposing arguments that I believe are more successful. Thus, I agree with utilitarians who say that it is better for there to be more happy people. Next I argue for the stronger claim that the happiness of potential people is as important as that of adults. Potential quality of life, then, matters in a host of bioethical issues: abortion, commercial surrogacy, the treatment of defective newborns, and so on. What is the practical upshot of all this? I reject the idea that we must do whatever is necessary to prolong life worth living. But I also reject the view that the side-effects of overpopulation always outweigh the value of realizing potential happiness. So I advocate a middle position, which I do not identify precisely. Even from this middle position, however, potential happiness is more important that is commonly assumed in bioethics.

Age Factors↗

Value, obligation and the asymmetry question.

Is there a prima facie obligation to produce additional individuals whose lives would be worth living? In his paper 'Is it good to make happy people?', Stuart Rachels argues not only that there is, but, also, that precisely as much weight should be assigned to the quality of life that would be enjoyed by such potential persons, if they were to be actualized, as to the quality of life enjoyed by actually existing persons. In response, I shall argue, first, that Rachels' view is exposed to very serious objections, and secondly, that his arguments in support of his position involve a crucial assumption, which cannot be sustained, concerning the relation between, on the one hand, propositions about good-making and bad-making properties, and, on the other, propositions about right-making and wrong-making ones. I shall then argue that there is a very plausible position concerning the conditions under which an action can be morally wrong which entails the following asymmetry: there is a prima facie obligation not to bring into existence individuals whose lives are not worth living, but there is no corresponding obligation to create additional individuals whose lives would be worth living.

Bioethical Issues↗

Genes, embryos, and future people.

Testing embryonic cells for genetic abnormalities gives us the capacity to predict whether and to what extent people will exist with disease and disability. Moreover, the freezing of embryos for long periods of time enables us to alter the length of a normal human lifespan. After highlighting the shortcomings of somatic-cell gene therapy and germ-line genetic alteration, I argue that the testing and selective termination of genetically defective embryos is the only medically and morally defensible way to prevent the existence of people with severe disability, pain and suffering that make their lives not worth living for them on the whole. In addition, I consider the possible harmful effects on children born from frozen embryos after the deaths of their biological parents, or when their parents are at an advanced age. I also explore whether embryos have moral status and whether the prospects for disease-preventing genetic alteration can justify long-term cryopreservation of embryos.

Age of Onset↗

Advance directives, dementia, and 'the someone else problem'

Advance directives permit competent adult patients to provide guidance regarding their care in the event that they lose the capacity to make medical decisions. One concern about the use of advance directives is the possibility that, in certain cases in which a patient undergoes massive psychological change, the individual who exists after such change is literally a (numerically) distinct individual from the person who completed the directive. If this is true, there is good reason to question the authority of the directive -- which is supposed to apply to the individual who completed it, not to someone else. This is 'the someone else problem'. After briefly introducing advance directives as a basis for medical decision-making, this paper elaborates 'the someone else problem' in the context of severe dementia. The paper then reconstructs the reasoning that leads to this putative problem and exposes the important underlying assumption that we are essentially persons. An alternative view of what we are, one that regards personhood as inessential, is then considered, before several arguments are advanced in favor of that alternative view. The paper next explores implications for advance directives: 'The someone else problem' is effectively dissolved, while it is noted that a related problem (one beyond the paper's scope) may persist. A few implications beyond advance directives are also identified.

Advance Directive Adherence↗

The beginning of personhood: a Thomistic biological analysis.

'When did I, a human person, begin to exist?' In developing an answer to this question, I utilize a Thomistic framework, which holds that the human person is a composite of a biological organism and an intellective soul. Eric Olson and Norman Ford both argue that beginning of an individual human biological organism occurs at the moment when implantation of the zygote in the uterus occurs and the 'primitive streak' begins to form. Prior to this point, there does not exist an individual human organism, but a cluster of biological cells which has the potential to split and develop as one or more separate human organisms (identical twinning). Ensoulment (the instantiation of a human intellective soul in biological matter) does not occur until the point of implantation. This conception of the beginning of human personhood has moral implications concerning the status of pre-implantation biological cell clusters. A new understanding of the beginning of human personhood entails a new understanding of the morality of certain medical procedures which have a direct affect on these cell clusters which contain human DNA. Such procedures discussed in this article are embryonic stem cell research, in vitro fertilization, procured abortion, and the use of abortifacient contraceptives.

Abortifacient Agents↗

The argument from intrinsic value: a critique.

In his recent book Abortion and Unborn Human Life, Patrick Lee develops an argument for foetal personhood based on intrinsic value. Lee argues that since the foetus is identical with the rational, self-conscious being who will exist a few years later, and since this rational, self-conscious being indisputably is intrinsically valuable, therefore the foetus must already be intrinsically valuable; for nothing can come to be at one time but become intrinsically valuable at another. I show that this argument fails on two counts. First, the crucial premise that a thing's intrinsic value must derive from its essential properties is question-begging and devoid of support. Second, that premise is inconsistent with the pro-life position.

Abortion, Induced↗