The following year, Easton conducted acomparative study in Canada, and reported that 65 per cent of patients whoreceived insulin treatment recovered, compared with only 40 per cent ofthose who were treated in the same unit but did not receive insulin (Easton, 1938).He concluded that ‘in insulin we have a drug by means of which we can alterthe clinical picture in schizophrenia’ (p. 236). The gene discussed is INS; the disease is schizophrenia.