The date of the end(s) of the paleolithic age could tell us much of what 
paleofood is/was/should be. IMO

J. McCanney, learned in astrophysics, presently has a very brief ("word 
to the wise") piece on that subject at:http://jmccanneyscience.com/
in two parts, both titled: February 24, 2012 posting.

William