1.Greely, H, Sahakian, B, Harris, J, Kessler, RC, Gazzaniga, M, Campbell, P, Farah, MJ.Towards responsible use of cognitive-enhancing drugs by the healthy. Nature2008;456(7223):702–5, at 703.
2. Some supporters of enhancement technologies even argue that it is not only morally permissible to use enhancement technologies to make people more healthy, longer-lived and smarter, but that we are morally obliged to do so (e.g., Harris J. Enhancing Evolution: The Ethical Case for Making Better People. Princeton: Oxford University Press; 2010; or Savulescu J. Genetic interventions and the ethics of enhancement of human. In: Steinbock B, ed. The Oxford Handbook of Bioethics. Oxford: Oxford University Press; 2007:516–35.). It is beyond the scope of this commentary to discuss this issue and take a position on it.
3.Mehlman, MJ.Cognition-enhancing drugs. The Milbank Quarterly2004;82(3):483–506, at 492.