Keto 6X  to grapple with, but the point is that this fortunate circumstance bears witness to our forebear's healthy diet. And so the expectation is that if we want to reverse some of these conditions or at the very least enjoy better health, then we must certainly make its adoption part of our health strategy. This diet would essentially have been made of lean meat, nuts, seeds and berries. Also known as the Paleolithic or caveman diet, it has been in the light of the modern day clamoring for it, termed a fad diet. As regards the diet, the period of our ancestors under consideration is essentially the Paleolithic era (hence the name of the diet) -a period lasting about 2.5 million years and which ended around 10,000 years ago with the beginning of animal domestication and agriculture. The underlying basis for the theory is  evolutionary discordance hypothesis, itself a subset of evolutionary medicine. The seeds of the hypothesis is to be found in the 1970s work of Walter Voegtlin, the gastroenterologist. Its basic premise is that man is genetically adapted to the nutritional needs of food to be found in the Paleolithic period.  https://www.healrun.com/keto-6x/