This week, the leading medical journal, The Lancet, Published a special supplement on sport and medicine. Its contents include a number of ethical commentaries including:

Essay: Prosthetics for athletes
McCarvill S
pages S10-S11

Feature: Gene doping
Pincock S
pages S18-S19

Viewpoint: Legalisation of performance-enhancing drugs
Kayser B, Mauron A, Miah A
page S21

Essay: Transsexual athletes—when is competition fair?
Ljungqvist A, Genel M
pages S42-S43