The Pima Indians and other Southwestern Native American populations have a unique genetic lineage that may influence their metabolic response to carbohydrates.

“The Pima Indians so I went to medical school in Arizona at the University of Arizona and Tucson the Pima Indians you know all of the southwestern Indians in the United States have this incredibly beautiful heritage they built they built things like Mesa Verde they built incredible structures they lived in a part of the world that's inhospitable by many standards but they thrived and they had incredible beautiful incredibly beautiful culture perhaps because of that environment or perhaps because of their just unique genetic lineage they”