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Nature 457, 532 (29 January 2009) | doi:10.1038/457532b; Published online 28 January 2009

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Much ado about cognitive enhancement

João Ricardo Oliveira1

  1. Neuropsychiatry Department and Keizo Asami Laboratory, Federal University of Pernambuco, 50670-901, Recife-PE, Brazil

Henry Greely and colleagues call for answers to several controversial questions regarding the use of drugs by healthy people to boost cognitive performance ('Towards responsible use of cognitive-enhancing drugs by the healthy' Nature 456, 702–705; 2008). The most important scientific and ethical concern they raise is safety, not least because the pressure that leads people to enhance their performance might also be a crucial trigger to mental disorder.

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