Worldwide, the rate of type II diabetes is estimated to be around 1 in 11 people - about 9%. For the Pima people of Arizona, 38% of the adult population have the condition - but across the border in Mexico, the rate drops down to 7%.

The difference between the groups is their life experience - one side displaced, the other on their traditional lands - and their experience is being replicated elsewhere.

Lauren Carruth, assistant professor at The American University, joins us to talk about the Pima people, where else displacement is changing patterns of non-communicable disease, and what this might tell us about economic migrations effect on health.

Read the full editorial:
https://www.bmj.com/content/361/bmj.k1795