I am kinda of curious about populations where peanuts aren’t common at all. I certainly didn’t have many fancy nuts (i know peanuts aren’t nuts) until well into

I am kinda of curious about populations where peanuts aren’t common at all. I certainly didn’t have many fancy nuts (i know peanuts aren’t nuts) until well into adulthood. Why were there not wide spread peanut allergies among migratory populations?