It has been almost exactly a year since Anders Breivik bombed government buildings in Oslo, and then carried out a mass shooting on the island of Utøya, where he killed 69 people, mostly teenagers. In that time there has been much discussion about his mental state. Vivienne Nathanson and Julian Sheather from the BMA join us to discuss the moral and ethical problems that a diagnosis of insanity bring to the case.
Also this week, seven articles on bmj.com look at the science behind sports product adverts. We hear from Matthew Thompson, from the Centre for Evidence Based Medicine in Oxford, who criticises the quality of the evidence submitted to the European Food Safety Authority to back these claims