>    I know this is correct, but I have to eat mass quantities of
vegetables
> to have physical energy and to be mentally grounded.  When I don't, my
> thinking is very slow and limited.

Yes, people's experiences are different.  This is why the paleo model is
flawed.  The human organism has continued to adapt since the stone age.  The
Romas lived perfectly well on grains and pulses which would kill the
northern peoples.

Andrew