If we are to buy into vegetarianism, then the system, evolution via natural selection, which shaped our present genome necessarily had to be conditioned over eons by a plant based, vegetarian diet. Clarke R, Birks J, Nexo E, Ueland PM, Schneede J, Scott J, Molloy A, Evans JG. Assessment of iron deficiency in US preschool children and nonpregnant females of childbearing age: National Health and Nutrition Examination Survey 2003-2006. Plant-animal subsistence ratios and macronutrient energy estimations in worldwide hunter-gatherer diets.
Otherwise, there is no rationale alternative hypothesis to explain why humans would “prosper and thrive” on vegetarian diets. Low vitamin B-12 status and risk of cognitive decline in older adults.
is a craftily written statement that is deliberately misleading and one sided. Boxmeer JC, Smit M, Utomo E, Romijn JC, Eijkemans MJ, Lindemans J, Laven JS, Macklon NS, Steegers EA, Steegers-Theunissen RP.
As I have extensively pointed out, there is no credible fossil, archeological, anthropological or biochemical evidence to show that any hunter-gatherers or pre-agricultural humans ever consumed all plant based diets.
This information should be your first clue that there just may be some problems with vegetarian dietary recommendations created by humans for humans. “We are all human, we all make mistakes.” Let us not depend upon human frailties for dietary advice, but rather let us fall back on the wisdom of the system, again, evolution via natural selection, that designed the diet to which we are genetically adapted.
Any unified theory of human nutrition is a detective story in which scientists attempt to reveal or uncover biological systems that have been designed by, and put into place by evolution through natural selection.
Accordingly, hypotheses regarding what we should and shouldn’t eat must be consistent with the system and ancient environments that engineered our current genes. Cogswell ME, Looker AC, Pfeiffer CM, Cook JD, Lacher DA, Beard JL, Lynch SR, Grummer-Strawn LM. Cordain L, Miller JB, Eaton SB, Mann N, Holt SH, Speth JD.
Scientists are able to determine the relative percentage of plant and animal food in extinct human (hominid) species by analyzing elements called isotopes within their fossilized bones.