If you've read any nutrition writing in the last twenty years, you've been told, repeatedly, that the Mediterranean diet is the healthiest way to eat. Olive oil, fish, vegetables, legumes, modest wine, long lunches in the Italian countryside. The Mediterranean diet has real evidence behind it, that's not the issue. The issue is that an entire field has flattened the global landscape of nutritionally excellent food traditions into one Italian-Greek-Spanish ideal, while treatin