Gut diversity equivalent to non-Western populations can be achieved in urban environments by avoiding bread, grains, and processed sugar.

“suggesting you know we don't necessarily know which component it is but it is possible to have a diversity that is um equivalent to to a non-western population and i i i was struck by the fact that it it's significantly better than italians who eat a quote mediterranean diet right this is the diet of choice in western medicine now or one of them and at least in terms of alpha diversity which as we talked about is not the end all in be all there is there's a real difference there between someone who's you know presumably not eating bread not eating grains not eating processed sugar you know not eating these things they have to think about what the difference is between a modern paleolithic diet the mediterranean diet maybe eating more meat it's hard to say exactly”