Findings from a large prospective study suggest that regular consumption of yoghurt may help protect against the development of type 2 diabetes. The EPIC study is a European multicentre trial that has been prospectively investigating the link between diet and cancer. The branch of the trial sited in Norfolk had a nested cohort of patients who were also followed up for incident diabetes. Between 1993 and 1997, the EPIC-Norfolk study recruited a UK-based population cohort of 25,639 men and women aged between 40 and 79 at baseline.