Some of you might like this post from sci.med.nutrition where the
Paleoperfection is battling the Pyramid-of-chronic-disease. This is one of
the side posts.
:

>Yes, Bryan, exactly that. Grains had big advantages- their yields, their
>storage, their predictability, their short maturity cycle (from planting to
>harvest). These advantages far outweighed their disadvantages for early
man-


Another important thing is irrigation. There is a famous word around
that means non-irrigated land. When knowledge about irrigation came to
people around Tigris, agriculture changed dramatically and the people
left the non-irrigated land, Gann Edin (not Gan Eden which is something
else, Garden of Eden, or is it??)