most animals eat a little bit of dirt from time to time, biologists call it "geophagy." depending on the dirt, it can neutralize acids, provide nutrients, and detoxify poisons. the same way we crave other foods when we lack their nourishment, some people have felt compelled to eat bits of clay because of the noticeable benefits (or because they are just weird).
our diets today are far less diverse than they were for the 95% of existence that humans spent as hunter gatherers. in the distant past we ate little bits of all kinds of things throughout our year's long walks. many of our health problems today stem from the fact that we live on relatively few food sources compared with our diverse nutrient intake throughout most of human evolution. there are still natives alive today in remote areas whose medicine men/women can reliably identify thousands of different plants and name their traditional uses. if you have the opportunity to eat random foods go for it, modern science has hardly begun to identify the nutritional and medicinal value of most food items, there are simply too many, and the science is extremely unprofitable because all these traditional resources are largely impossible to patent and therefore not "worth" the intense analysis that corporations will afford for synthetic chemicals that can be monopolized.
Last edited by Marinejuana (2008-02-05 10:08:03)