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Luetko itsekään näitä laittamiasi viitteitä tänne?Stone Age Nutrition: The Original Human Diet | Encyclopedia.com
Stone Age Nutrition: The Original Human Diet Aside from casual interest, there is a reason to appreciate the nutrition that fueled nearly all of human evolution. An increasing number of investigators believe the dietary patterns of our ancestors may constitute a guide to proper nutrition in the...www.encyclopedia.com
Suoraan tuolta sinun laittamastasi linkistä.
Niin, juurikin niitä asioita mitä minä olen täällä moneen kertaan toitottanut."Dietary fiber was first thought to reduce colon cancer susceptibility, and then it was found to have no such effect. Sodium consumption has been linked to high blood pressure in many studies but not in numerous others. High-fat diets cause coronary heart disease, but consider the "French paradox": the French consume at least as much saturated fat as do Americans, but they have considerably fewer heart attacks and other manifestations of coronary artery disease."
Tästä täysin samaa mieltä"In light of such inconsistencies, it is not surprising that dietary recommendations vary. A logical, straightforward, and understandable starting point from which to develop research protocols and upon which generally accepted recommendations may ultimately be based is highly desirable. "
Mitä minä olen koko ajan sanonut?Although many refer to modern times as the "Space Age," genetically speaking, human beings are still Stone Agers. One can argue that the genetic determinants of our current biology were selected not for contemporary circumstances, but for the conditions of life as experienced in the remote past. There are two potential corollaries to this argument. First, that the afflictions of affluence (chronic degenerative diseases such as diabetes, many cancers, atherosclerosis [including coronary heart disease], hypertension, osteoporosis, and obesity) are prompted by dissonance between human genes and the lives of certain groups of people. Second, that the impact of these diseases, which are the major causes of illness and mortality in affluent nations, might be greatly reduced or, in some cases, eliminated altogether by reinstating essential features of the ancestral lifestyle, including relevant nutritional practices, into current existence.
Mitä minä olen koko ajan sanonut?The vegetable foods available to prehistoric foragers grew naturally, without cultivation, and included nuts, leafy vegetables, beans, fruits, flowers, gums, fungi, stems, and other similar items. These had been primate staples for tens of millions of years, but at some point along the hominid (human-like) evolutionary track, the digging stick came into use. This simple implement widened dietary breadth by providing access to roots, bulbs, and tubers, which were plentiful but previously inaccessible sources of food energy.
Mitä minä olen koko ajan sanonut?The nutrient values of such foods vary naturally, but if one pools the several hundred representative vegetable foods that hunter-gatherers utilized during the twentieth century and then compared their averaged nutrient content with the mean values of vegetable foods commonly consumed in Western nations, several noteworthy differences emerge. For example, wild-plant foods provide less energy per unit weight. A 3.5-ounce (100 gram) portion of the fruits and vegetables that our ancestors ate would yield, on average, only about one-third the calories that 3.5 ounces of contemporary vegetable food provide.
Jätän tämän vain tähän.Lastly, the plant foods available to ancestral humans afforded a fairly balanced ratio of essential polyunsaturated fatty acids. Like essential amino acids, the body does not synthesize these fatty acids—humans must obtain them from their diet. Polyunsaturated fatty acids are necessary for cell membrane fabrication, especially in the brain, and they are also the basic molecules from which eicosanoids, a large class of important locally acting hormones, are made. Essential fatty acids are divided into two families: omega 6's and omega 3's. Both types are required in mammalian physiology, but they produce opposing biochemical effects, so roughly equal amounts in the diet are desirable.
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