On Tue, 10 Jan 2017 14:42:57 -0800 (PST), Nancy2
> wrote:

>Long lives among indigenous people can many times be attributed to the extreme physicality required of
>those traditional lifestyles.

That's another factor. "Sitting is the new smoking." It's hard to say
what's causing longevity. I guess we can all pick and chose, to
support a belief we already had.