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the paleo diet thesis
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the paleo diet thesis
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The members of the Homo genus possess a combination of unique features that distinguish them from other related species. At the time that each respective species was alive, they were able to walk upright on two legs, use their large brains for the benefit of their species, and could thrive in many geographically and climatically diverse areas of the world. One of the most mysterious quandaries in science is how the lineage of the Homo genus became so different from their primate relatives. Bipedalism, brain size, and location diversity all have a common link that may explain this difference – dietary evolution allowed humans to adapt to their surroundings, and in turn, become a more advanced species. The Homo diet evolved in relation to food availability and nutritional necessity. With the ability to maintain a proper diet, the species of the Homo genus were able to flourish and advance toward the development of modern Homo sapiens.
Nutrition is a basic necessity of life. Without a proper and well-balanced diet, it is difficult for any being, regardless of species, to survive. Unlike that of primates such as the great apes, the human diet is more full of calories and nutrients. Humans have a great understanding of what types of food are necessary to maintain good health. It is difficult to tell when the eating habits of Homo sapiens split apart from the eating habits of these other primates. Yet, one fact is certain. As human evolution continues to progress, the human diet also continues to evolve.
In 1985, scholars S. Boyd Eaton and Melvin J. Konner published a paper in the New England Journal of Medicine entitled ‘Paleolithic Nutrition’ that provided insight to he evolution of human nutritional requirements. Although...
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...e. "A Hypothesis to Explain the Role of Meat-Eating in Human Evolution." Www.cnr.berkely.edu. 4 Feb. 2001. Web. .
Strait, David S. "The Feeding Biomechanics and Dietary Ecology of Australopithecus Africanus." Proceedings of the National Academy of Sciences. 12 Dec. 2008. Web. 19 Nov. 2015. .
Teaford, Mark F. "Diet and the Evolution of the Earliest Human Ancestors." Proceedings of the National Academy of Sciences. 5 Oct. 2000. Web. 19 Nov. 2015. .
Ungar, Peter S., and Mark Franklyn Teaford. Human Diet: Its Origin and Evolution. Westport, CT: Bergin & Garvey, 2002. Print.
Ungar, Peter S. Evolution of the Human Diet: The Known, the Unknown, and the Unknowable. Oxford: Oxford UP, 2007. Print.
Michael Pollan, an American author, journalist, activist, and professor of journalism at the UC Berkeley Graduate School of Journalism (Michael Pollan), writes in his book In Defense of Food, the dangers of nutritionism and how to escape the Western diet and subsequently most of the chronic diseases the diet imparts. In the chapter “Nutritionism Defined” Pollan defines the term nutritionism. Pollan’s main assertion being how the ideology of nutritionism defines food as the sum of its nutrients, and from this viewpoint Pollan goes on to write how nutritionism divides food into two categories, with each macronutrient divided against each other as either bad or good nutrients, in a bid for focus of our food fears and enthusiasms. Finally, Pollan concludes that with the relentless focus nutritionism places on nutrients and their interplay distinctions between foods become irrelevant and abandoned.
He claims that a better diet requires spending more time and resources on food, just like the people of the past did. Pollan attributes their surpassing health to this practice, but in his article “How Junk Food Can End Obesity”, David Freedman paints a different story. Freedman describes how examinations of ancient non-Western remains revealed “hardened arteries, suggesting that pre-industrial diets…may not have been the epitome of healthy eating” (514). This discovery seriously undermines Pollan’s assumption that we should follow the lead of our ancestors because even though they spent a greater amount of resources on food and ate absolutely no processed foods, they still suffered from some of the same diseases which Pollan claims his eating habits will curb. As an opponent of processed foods, or “foodlike products” (Pollan 426), Pollan advocates eating whole foods. As many people have a similar opinion, he is not alone in this, but he is misinformed. Freedman reveals that after examining the nutrition labels on various unprocessed, whole foods, he found that many contained more fat, sugar, and sodium than processed foods (512). If unprocessed foods underwent the same scrutiny as processed foods, perhaps this common misconception could be prevented. The basic premise of Pollan’s essay is that a better diet will lead to better health. While we could all benefit from a better diet, “findings linking food type and health are considered highly unreliable (Freedman 518). Freedman discusses the multitude of nondietary factors such as air quality and exercise that render such studies untrustworthy. Pollan might be a well-respected author of nutrition books, but this does not mean that his theories are free of
Pollan, M. The Omnivore’s Dilemma: A Natural History of Four Meals. New York. Random. 2006. Print
Gardner, Christopher. Notes from the Doc Talks. Stanford University. Web. April 10, 2014. Pollan, Michael. The Omnivore's Dilemma: A Natural History of Four Meals. New York:
Many argue the importance of food and its nutritional value. Food Science has been a heavily debated topic for years. Today, this topic sparks even more controversy. In Michael Pollan’s book In Defense of Food: An Eater’s Manifesto, Pollan shares several aspects of insight on different topics about health and how it should be approached. Pollan breaks down his overall beliefs and explanations from food nutrients to health risk factors. This book has allowed many readers and scientists to approach eating and health from different perspectives.
For some time, scholars and writers have continuously debated as to what constitutes or defines the idea of healthy eating, mainly because of the increase in the number of people diagnosed with ailments associated with bad eating habits. It has quickly become the forefront of issue, particularly in the United States. In recognition of this on-going debate, this composition seeks to compare and contrast two well-known authors concerning how we think about and consume food. In Michael Pollan’s discussion, “Escape from the Western Diet,” he discusses the negative sides of nutrition science, including conflicting theories surrounding the elements of healthy food consumption and why solutions are essential for the Western diet and lifestyle. “Escape from the Western Diet,’’ is among the articles that talks about the eating habits of individuals in the society. In the article, Pollan points out not only the numerous conflicts concerning what types of diets – including carbohydrate-based, the inclusion of omega-3s, other nutrition-specific needs - that are believed to directly affect general health or specific illnesses, but also how western nutritionism compares to other countries diets affect longevity outcomes. In the end, Pollan suggests that the United States must seek solutions that move towards more natural, unprocessed, plant-based lifestyles that ensure that individuals are making what they consume a primary
As emphasized again and again by author Robb Wolf in his popular book, The Paleo Solution: The Original Human Diet, “Agricultural diets of today make us chronically ill.” The Paleo Diet, by forcing us to eat more like our caveman ancestors, fixes all of our detrimental, highly-processed, ca...
Before agriculture, human populations relied heavily on the foods that they found, scavenged or hunted in their area of occupation. (Higman 2011) This form of subsistence generally led to a nutritionally balanced diet. Their diets did, on occasion, become lacking of certain nutrients because some food sources are only available seasonally. (Duncan and Scott 2004, Ingold 2002, Jochim 2012) The shift to agriculture led to substantial changes not only in subsistence but also in all other aspects of life. Agriculturalists worked harder; spending most of their day in the fields cultivating the land. This made a nomadic lifestyle, like most hunter—gatherers were accustomed to, virtually impossible. By becoming sedentary populations, humans have exposed themselves to higher instances of viruses, bacteria and parasitic diseases typically carried by the homo genus. (Stein 2010) When agriculture took hold, approximately 10,000 years ago, there was a massive shift to high carbohydrate based subsistence. Higher carbohydrate intakes combined with the added stresses of malnutrition, di...
Wardlaw, G.M. and Smith. Contemporary Nutrition: Issues and Insights. 5th Edition. Boston: McGraw-Hill, pp 85, 2004.
According to Gibbons and her research if the modern man were to start eating as their ancestors had they would see a reduction in certain diseases such as heart disease, diabetes, cancer, and high blood pressure. She also notes that certain aspects of a Paleolithic diet can be to harsh for a modern human such as a red-meat heavy diet like that of the Inuit tribes of Greenland. Another problem Gibbons points out is that the bodies of modern humans would not be able to breakdown some foods because our digestive systems have evolved to a point where we have problems breaking down such
Nutrition is a very controversial and confusing topic. One day coffee is bad for you, but the next day it is good. Alcohol is detrimental for our health one day, but the next day red wine is the elixir of life. There are dozens of diet plans and they promise a leaner and healthier body. There is the 3-Hour Diet that involves constantly eating small portions of anything we want to eat. The latest diet craze, the Paleo Diet, is based upon eating foods that our “hunter-gatherer ancestors” would have thrived on during the Paleolithic era. And there is the Blood Type Diet, the South Beach Diet, the Macrobiotic Diet, the Mediterranean Diet, and the list goes on. But who and what should we believe? Well, there is an optimal diet for humans and the answer might surprise many.
Eating is an instinctual habit; however, what we decide to put in our body is a choice that will affect our way of living. In “The American Paradox,” Michael Pollan, a professor of journalism at University of California, Berkeley, disapproves of the way Americans have been eating. The term “American paradox” describes the inverse correlation where we spend more of our time on nutrition, but it would only lead to our overall health deteriorating. According to Pollan, our way of eating that had been governed with culture, or our mother, was changed by the entities of food marketers and scientists, who set up nutritional guidelines that changed the way we think about food. Nutritional advice is inaccurate as it is never proven, and it is not beneficial
Proper nutrition is important in maintaining a long and healthy life. Most Americans are rushed due to their busy work schedules, and do not take the time to plan their diets properly. Like me, most Americans are unaware of the importance of eating a healthy diet and consume too many foods without the proper nutrients. Throughout my life I have been fortunate. I have not had any major health problems, and have been able to consume most foods without having to worry about gaining weight. These last two years, however, I started to gain weight and have become concerned with my diet. Changing my poor eating habits has been difficult for me, however, having this assignment has taught me that it is not as difficult as I previously imagined.
People seem to be enjoying the current events and influx of knowledge in decision-making and the rise of the modern society that forfeits traditions and culture of the old. He denotes that the nutritional world has been impact negatively. In his article “The Worst Mistake in History of the Human Race” he strongly points that the old ways of practicing nutrition were much between as compared to the current world. The article begins by highlighting the various beliefs which people have long been exposed to since tender ages. For instance, he mentions that people have been taught to understand that various origins of the universe and human creation. He thus compares the same with the changes in the current global society. Yet, the question remains are these changes meant for good or are they a mistake to the human
2004 Has the Comination of Genetic and Fossil Evidence Solved the Riddle of Modern Humans?, Evolutionary Anthropology 13: 145-159.