The rise in type 2 diabetes is caused by genetic predisposition and environmental factors, including the food environment.

“so then the question of what are the environmental triggers like right that's not a genetic it would be very difficult to explain that just genetically that there's been some genetic change we might have genetic susceptibilities we might have genetic manifestations but the thing of it something must have changed and I think most people would point to our food environment as the leading thing that has driven that change because the change in the food environment in 50 years is dramatic”