between natural diets of natives and the modern diet of civilized societies, I believe there is reason to be skeptical of the modern food guidelines, particularly in the matter of trans fatty acids (trans fats). Although low levels of trans fats naturally occur in animal meats and milk products, it apparently did not cause the same problems in native peoples with diets high in animal products. Surprisingly, these people did not have any dietary guidelines or even know what a vitamin was. Yet they were healthy. However, with so many choices, Americans apparently need dietary guidelines. The 2005 Pyramid Guidelines Although it is arguable that the dietary guidelines continue to endure pressure from the food industry, significant progress is f...