No-one doubts that Type 1 diabetes (T1D) is getting more common in children, and most agree that its aetiology must be a mixture of genetic and environmental factors. How early in life might the environment, and particularly nutritional factors, start to operate?

Using two massive birth cohorts from neighbouring Scandinavian countries, researchers tried to establish whether there was a significant link between growth in the first year of life and later development of T1D (Magnus M …