Wednesday, March 12, 2008

Paleolithic Diet II

As a continuing consideration, what our distant ancestors consumed some 10,000 to 1.8 million years ago is assumed (by proponents of this diet) to be a genetically superior approach to food consumption as our gastrointestinal systems evolved over many thousands of years exposed to these foods. The assumption can take on some rather technical biochemical arguments but in general assumes that by switching our current diets to those diets of the ancient ones, our health will improve. Needless to say, and anyone reading this blog for any period of time knows, I just love to poke holes in perfectly good theories.

First off, determining what the various hominids consumed on a regular basis is no easy feat. And by "various hominids" I mean during that "paleolithic" time frame it's not fair to pick a hominid like Homo Rhodesiensis and ignore Neaderthal. or to focus just on Homo Sapiens and ignore Homo erectus.


Assuming we do just that and ignore all hominids other than Homo Sapiens, the precise dietary intake is generally refered to as the omnivore diet which in reality is a garbage can term used to describe someone who eats anything and everything. Anthropological and current biochemical requirements describe a mammal eating sources of vitamin C to survive (fruits and vegetables) and requiring meats as a source of B12. That much can be extrapolated from current human biology. In addition to that, folate or vitamin B9 can be acquired from greens or liver. The real observation that deserves noting isn't the particular foods they ate at any given time, but rather thier lifestyles.
Early Homo Sapiens were thought to have evolved some 200,000 years ago in Africa. The nature of the evolving species was one of nomadic movement. A family or band following foods and in search of better hunter/gatherer regions. The particular foods and sources of protein encountered by those moving bands as they migrated to different geograpic regions, changed over time. Indeed fishing became a means of finding food some 50,000 years ago in some regions. Most antropologists do find that early man focused on the geography around bodies of static or running water.
More after we eat some mammoth liver
WG

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A Point of View

Modern Western society is awash in a sea of food affluence. For many of us, from the moment we arise in the morning to the time we fall asleep at night, the one rhythmic pattern occurring daily with anticipated consistency is food intake—and in many cases very high quality food intake. Even the smallest of excess calories consumed daily translates over time to excess energy being stored as fat in adipose tissue. ______________________________________ Overeating has become the symptom of a cultural disease associated with conditioned food intake, not a mystical physiologic process involving genes gone wild. From one diet manual to the next, the book offerings to navigate this mess are fancied up versions of the same old thing, eventually returning the dieter to a conditioned system of eating behavior. The contention of this blog, is it's time to get off the merry-go-round of dieting and learn the ABC's of basic nutritional science. Teach your children what they need to know to navigate the gauntlet of foods in the 21st century. We encourage any experts in the field to contribute.

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