There is no reason to believe that it is. "Millennia" would include before and after domestication of animals, before and after agriculture and settlement, before and after extensive use of cooking, the enormous variation in consumption of seafood in historical human diets, before and after lactase persistence, and most people around the world didn't have access to many common foodstuffs until after 1492.Cowsham wrote: ↑26 Jun 2021, 3:23pmAnd by the same measure " of dietary constraints" makes us what we are therefore our ideal diet maybe what we've been eating for millennia.Jdsk wrote: ↑26 Jun 2021, 12:57pm The shape of teeth, jaws etc was driven by historical environments and biological constraints. There's no reason to think that it can be used to define optimal diet.
PS: And might have changed surprisingly recently... the overbite hypothesis:
https://en.wikipedia.org/wiki/Overbite# ... _dentition
https://science.sciencemag.org/content/ ... v3218.full
There isn't a single historical diet.
Jonathan