Go back 160,000 years and we all share a common ancestor: The emergence of the first Homo sapiens in East Africa. Since then, humans have spread across every environment imaginable and adapted to those environments. Much remains the same. We all breathe oxygen, require protein, produce insulin, oxidize fatty acids. But extended stays in unique environments have created genetic proclivities in different populations.
https://www.marksdailyapple.com/the-definitive-guide-to-using-your-recent-ancestry-to-determine-your-optimal-diet/