Using the limited diets of our ancestors — limited by the availability of foods — as a guideline for the perfect diet today? (paleodietnews.com)
One of the trends in recent years has been a shift towards the natural diets of the ancestors of domesticated canines, that is, wolves. (wileypup.com)
Based on hundreds of thousands of years of human history, and what the natural diet of our ancestors was (indicating what our digestive systems are still programmed to digest most effectively), this would probably be in the range of about 1 % to 4 % MAX of our total calories from corn, soy, and wheat. (truthaboutabs.com)