INS and schizophrenia: With the publication of another randomised controlled trial in The Lancet showing that insulin was not useful in the treatment of schizophrenia, the tide of concern about the treatment was rising fast.6 Fired up by this evidence, Bourne again released a slingshot attack on the giants in the establishment.5 But this time he published his blistering dismissal of the treatment in an American journal and from a position of relative safety as a lecturer in psychiatry at the University of Otago, in Dunedin, New Zealand.