>
> That's a typical association, not necessarily a causal relationship.
>
> For example, those with rich diets gave birth to financially comfortable
> children, who ate a rich diet, who gave birth to financially comfortable
> children, who ate a rich diet.  All generations may have worked at
> relatively sedentary occupations too.  So what caused the higher rates of
> diabetes: rich diets?, genetics?, transfer of insulin resistance in the
> womb?, sedentary occupations...????

That might  be time to let go of the cause to effect relationship .
from what i can see there is a web of causes giving rise to a web of effects
.
the reassuring thing in the confusion that can arise from this awareness is
that,  changing anyone of those concomitant parameters will also have an
effect on all the other ones and the resulting outcome .
jean-claude