•  83
    On Cloning
    Routledge. 2004.
    Cloning - few words have as much potential to grip our imagination or grab the headlines. No longer the stuff of science fiction or Star Wars - it is happening now. Yet human cloning is currently banned throughout the world, and therapeutic cloning banned in many countries. In this highly controversial book, John Harris does a lot more than ask why we are so afraid of cloning. He presents a deft and informed defence of human cloning, carefully exposing the rhetorical and highly dubious arguments…Read more
  •  72
    Moral Blindness – The Gift of the God Machine
    Neuroethics 9 (3): 269-273. 2016.
    The continuing debate between Persson and Savulescu and myself over moral enhancement concerns two dimensions of a very large question. The large question is: what exactly makes something a moral enhancement? This large question needs a book length study and this I provide in my How to be Good, Oxford 2016.. In their latest paper Moral Bioenhancement, Freedom and Reason take my book as their point of departure and the first dimension of the big question they address is one that emphasizes a dist…Read more
  •  223
    Germline Manipulation and Our Future Worlds
    American Journal of Bioethics 15 (12): 30-34. 2015.
    Two genetic technologies capable of making heritable changes to the human genome have revived interest in, and in some quarters a very familiar panic concerning, so-called germline interventions. These technologies are: most recently the use of CRISPR/Cas9 to edit genes in non-viable IVF zygotes and Mitochondrial Replacement Therapy the use of which was approved in principle in a landmark vote earlier this year by the United Kingdom Parliament. The possibility of using either of these techniques…Read more
  •  21
    How to Be Good: The Possibility of Moral Enhancement
    Oxford University Press UK. 2016.
    Knowing how to be good, or knowing how to go about trying to be good, is of immense theoretical and practical importance. And what goes for trying to be good oneself, goes also for trying to provide others with ways of being good, and for trying to make them good whether they like it or not. This is what is meant by 'moral enhancement'. John Harris explores the many proposed methodologies or technologies for moral enhancement: traditional ones like good parenting and education; newer ones like c…Read more
  • Commentary 2
    Journal of Medical Ethics 9 (4): 222. 1983.
  •  34
    ... How Narrow the Strait!
    Cambridge Quarterly of Healthcare Ethics 23 (3): 247-260. 2014.
    This article explores the consequences of interventions to secure moral enhancement that are at once compulsory and inescapable and of which the subject will be totally unaware. These are encapsulated in an arresting example used by Ingmar Perrson and Julian Savulescu concerning a “God machine” capable of achieving at least three of these four objectives. This article demonstrates that the first objective—namely, moral enhancement—is impossible to achieve by these means and that the remaining th…Read more
  • Abortion
    with Soren Holm
    In Hugh LaFollette (ed.), The Oxford handbook of practical ethics, Oxford University Press. 2003.
  •  2
    Experiments on Embryos (edited book)
    with Anthony Dyson
    Routledge. 1990.
    Covering scientific, legal, ethical, historical, theological and public policy aspects of human embryo research, the cases for and against are put strongly and clearly. Scientific evidence is cogently presented by leading embryologists
  •  185
    We argue in this essay that (1) the embryo is an irredeemably ambiguous entity and its ambiguity casts serious doubt on the arguments claiming its full protection or, at least, its protection against its use as a means fo research, (2) those who claim the embryo should be protected as "one of us" are committed to a position even they do not uphold in their practices, (3) views that defend the protection of the embryo in virtue of its potentiality to become a person fail, and (4) the embryo does…Read more
  •  78
    Moral enhancement and pro-social behaviour
    with Sarah Chan
    Journal of Medical Ethics 37 (3): 130-131. 2011.
    Moral enhancement is a topic that has sparked much current interest in the world of bioethics. The possibility of making people ‘better,’ not just in the conventional enhancement sense of improving health and other desirable qualities and capacities, but by making them somehow more moral, more decent, altogether better people, has attracted attention from both advocates 1 2 and sceptics 3 alike. The concept of moral enhancement, however, is fraught with difficult questions, theoretical and pract…Read more
  •  64
    Does a Fish Need a Bicycle? Animals and Evolution in the Age of Biotechnology
    with Sarah Chan
    Cambridge Quarterly of Healthcare Ethics 20 (3): 484-492. 2011.
    Animals, in the age of biotechnology, are the subjects of a myriad of scientific procedures, interventions, and modifications. They are created, altered, and experimented upon—often with highly beneficial outcomes for humans in terms of knowledge gained and applied, yet not without concern also for the effects upon the experimental subjects themselves: consideration of the use of animals in research remains an intensely debated topic. Concerns for animal welfare in scientific research have, howe…Read more
  •  11
    A companion to genethics
    with Justine Burley
    In Justine Burley & John Harris (eds.), A Companion to Genethics, Wiley-blackwell. 2002.
  •  44
    Provider, patient and public benefits from a NICE appraisal of bevacizumab (Avastin)
    with Catherine Rhodes, John Sulston, and Catherine Spanswick
    Journal of Medical Ethics 38 (3): 187-189. 2012.
    There are several good reasons for the UK Department of Health to recommend the appraisal of bevacizumab for the treatment of eye conditions by the National Institute for Health and Clinical Excellence. These reasons will extend to other drugs when similar situations arise in the future
  •  524
    Multiplex parenting: IVG and the generations to come
    with César Palacios-González and Giuseppe Testa
    Journal of Medical Ethics 40 (11): 752-758. 2014.
    Recent breakthroughs in stem cell differentiation and reprogramming suggest that functional human gametes could soon be created in vitro. While the ethical debate on the uses of in vitro generated gametes (IVG) was originally constrained by the fact that they could be derived only from embryonic stem cell lines, the advent of somatic cell reprogramming, with the possibility to easily derive human induced pluripotent stem cells from any individual, affords now a major leap in the feasibility of I…Read more
  •  21
    Personal or Public Health?
    In Michael Boylan (ed.), International Public Health Policy & Ethics, Dordrecht. pp. 15--29. 2008.
    Intuitively we feel that we ought (to attempt) to save the lives, or ameliorate the suffering, of identifiable individuals where we can. But this comes at a price. It means that there may not be any resources to save the lives of others in similar situations in the future. Or worse, there may not be enough resources left to prevent others from ending up in similar situations in the future. This chapter asks whether this is justifiable or whether we would be better served focusing on public healt…Read more
  •  151
    Stem Cells, Sex, and Procreation
    Cambridge Quarterly of Healthcare Ethics 12 (4): 353-371. 2003.
    Sex is not the answer to everything, though young men think it is, but it may be the answer to the intractable debate over the ethics of human embryonic stem cell research. In this paper, I advance one ethical principle that, as yet, has not received the attention its platitudinous character would seem to merit. If found acceptable, this principle would permit the beneficial use of any embryonic or fetal tissue that would, by default, be lost or destroyed. More important, I make two appeals to c…Read more
  •  44
    The age-indifference principle and equality
    Cambridge Quarterly of Healthcare Ethics 14 (1): 93-99. 2005.
    The question of whether or not either elderly people or those whose life expectancy is short have commensurately reduced claims on their fellows, have, in short, fewer or less powerful rights than others, is of vital importance but is one that has seldom been adequately examined. Despite ringing proclamations of justice and equality for all, the fact is that most societies discriminate between citizens on the basis both of age and life expectancy
  •  140
    Opponents of destructive embryo research, such as embryo rightists, as well as proponents accept that natural reproduction is permissible. There is an alternative to natural reproduction—to remain childless. John Harris began this series of articles by asking, what does a commitment to the permissibility of natural reproduction entail? Harris has argued that a commitment to the permissibility of natural reproduction entails a commitment to the permissibility of destructive embryo research. Julia…Read more
  •  17
    Michael Tooley and the Jolly Nasty Conclusion
    Journal of Applied Philosophy 3 (2): 255-259. 1986.
    Some recent powerful and persuasive arguments seem to imply that a world of people with lives that are barely worth living is preferable to a world which contains fewer people all of whom have extremely satisfying lives. This ‘repugnant conclusion’ is clearly to be rejected if possible—but is it possible? Many attempts to reject or avoid it have failed. One of the latest, by Michael Tooley, looked promising but the present essay argues that this attempt has also failed
  •  253
    Since the birth of the first test-tube baby, Louise Brown, in 1977, we have seen truly remarkable advances in biotechnology. We can now screen the fetus for Down Syndrome, Spina Bifida, and a wide range of genetic disorders. We can rearrange genes in DNA chains and redirect the evolution of species. We can record an individual's genetic fingerprint. And we can potentially insert genes into human DNA that will produce physical warning signs of cancer, allowing early detection. In fact, biotechnol…Read more
  •  116
    Should we presume moral turpitude in our children? – Small children and consent to medical research
    with Søren Holm
    Theoretical Medicine and Bioethics 24 (2): 121-129. 2003.
    When children are too young to make their ownautonomous decisions, decisions have to be madefor them. In certain contexts we allow parentsand others to make these decisions, and do notinterfere unless the decision clearly violatesthe best interest of the child. In othercontexts we put a priori limits on whatkind of decisions parents can make, and/or whatkinds of considerations they have to take intoaccount. Consent to medical research currentlyfalls into the second group mentioned here. Wewant t…Read more
  •  29
    The future of human reproduction : ethics, choice, and regulation (edited book)
    with Søren Holm
    Oxford University Press. 1998.
    The Future of Human Reproduction brings together new work, by an international group of contributors from various fields and perspectives, on ethical, social, and legal issues raised by recent advances in reproductive technology. These advances have put us in a position to choose what kindsof children and parents there should be; the aim of the essays is to illuminate how we should deal with these possibilities for choice. Topics discussed include gender and race selection, genetic engineering, …Read more
  •  41
    Sparrows, hedgehogs and castrati: reflections on gender and enhancement
    Journal of Medical Ethics 37 (5): 262-266. 2011.
    In a number of papers, including the one published in this journal, Robert Sparrow has mounted attacks on consequentialism using principally what he takes to be an important fact, which he believes constitutes a reductio ad absurdum of consequentialism in its many forms and of this author's approach to enhancement and disability in particular (see page 276). This fact is the current longer life expectancy of women when compared with men. Here the author argues that Sparrow's arguments and entire…Read more
  •  606
    Moral enhancement and freedom
    Bioethics 25 (2): 102-111. 2010.
    This paper identifies human enhancement as one of the most significant areas of bioethical interest in the last twenty years. It discusses in more detail one area, namely moral enhancement, which is generating significant contemporary interest. The author argues that so far from being susceptible to new forms of high tech manipulation, either genetic, chemical, surgical or neurological, the only reliable methods of moral enhancement, either now or for the foreseeable future, are either those tha…Read more
  •  32
    Hot Baths and Cold Minds
    with David R. Lawrence
    Cambridge Quarterly of Healthcare Ethics 24 (2): 123-134. 2015.
  •  266
    In Enhancing Evolution, leading bioethicist John Harris dismantles objections to genetic engineering, stem-cell research, designer babies, and cloning and makes an ethical case for biotechnology that is both forthright and rigorous. Human enhancement, Harris argues, is a good thing--good morally, good for individuals, good as social policy, and good for a genetic heritage that needs serious improvement. Enhancing Evolution defends biotechnological interventions that could allow us to live longer…Read more
  •  97
    Extending human lifespan and the precautionary paradox
    with Søren Holm
    Journal of Medicine and Philosophy 27 (3). 2002.
    This paper argues that a precautionary approach to scientific progress of the sort advocated by Walter Glannon with respect to life-extending therapies involves both incoherence and irresolvable paradox. This paper demonstrates the incoherence of the precautionary approach in many circumstances and argues that with respect to life-extending therapies we have at present no persuasive reasons for a moratorium on such research.
  •  127
    In this retitled and revised version of Harris's original text Wonderwoman and Superman, the author discusses the ethics of human biotechnology and its implications relative to human evolution and destiny.