[postsantum]

Another common reason is evading the draft during war due to old age. In my country the region with longest living people is infamous with high corruption rates and general poverty. It also has the highest natal mortality rate which might be a contributing factor too

[Terretta]

That's an interesting potential correlation, as I'd guess some percentage of Loma Linda CA are likely to have been "conscientious objectors" like this SDA fellow the movie Hacksaw Ridge was made about:

https://en.wikipedia.org/wiki/Desmond_Doss