[dustincoates]

If the populations that you're talking about are the famed "blue zones," then the most likely reason for it is poor record keeping: https://jheor.org/post/2682-ig-nobel-prize-winning-research-...

[MOARDONGZPLZ]

I think the population they were referring to were active individuals who work out a little, eat well, and don’t drink alcohol. I didn’t see any mention of geographic area.