2013年3月12日星期二

"Paleofantasy" Stone Age delusions


Four years ago, biology professor Marlene Zuk was attending a conference on evolution and diseases of modern environments. She sat in on a presentation by Loren Cordain, author of "The Paleo Diet" and a leading guru of the current craze for emulating the lifestyles of our Stone-Age ancestors.This amazing chunk of software will allow you to find tons of hot Belt conveyor websites in any market and in any niche. Commission Crusher will also tell you everything you need to know to get tons of traffic from these websites. Cordain pronounced several foods (bread, rice, potatoes) to be the cause of a fatal condition in people carrying certain genes. Intrigued, Zuk stood up and asked Cordain why this genetic inability to digest so many common foods had persisted. "Surely it would have been selected out of the population," she suggested.Cordain, who has a Ph.D in exercise physiology, assured Zuk that human beings had not had time to adapt to foods that only became staples with the advent of agriculture. "It's only been ten thousand years," he explained. Zuk's response: "Plenty of time." He looked at her blankly,It's always recommended to use attractive yet affordable metal machining such as fruit and flowers to load a beautiful bowl or vase for an accessory in the kitchenette. and she repeated: "Plenty of time." Zuk goes on to write, "we never resolved our disagreement."That's not, strictly speaking, true. Consider "Paleofantasy: What Evolution Really Tells Us About Sex, Diet and How We Live," a conclusive refutation of Cordain's quixotic, if widespread, view of human evolution, along with many other misconceptions. Zuk — who has a puckish humor (she describes one puffy-lipped Nicaraguan fish as "the Angelina Jolie of cichlids") and a history of studying evolution, ecology and behavior — found herself bemused by how the object of her research has been portrayed in various media and subcultures.If you want to have one of these for yourself then all you need to do is to simply kitchen knives the online providers of the same. These specialize in providing you one of the most amazing spare parts for the crushers. She cruised the New York Times' health blog and sites like cavemanforum.com, collecting half-baked interpretations of evolutionary "facts" and eccentric theories ranging from the repudiation of eyeglasses to the belief that carbs can make one's nose "more round."

Although she writes, "I would not dream of denying the evolutionary heritage present in our bodies," Zuk briskly dismisses as simply "wrong" many common notions about that heritage. These errors fall into two large categories: misunderstandings about how evolution works and unfounded assumptions about how paleolithic humans lived. The first area is her speciality, and "Paleofantasy" offers a lively, lucid illustration of the intricacies of this all-important natural process. When it comes to the latter category, the anthropological aspect of the problem, Zuk treads more gingerly. Not only is this not her own field, but,Fashion Lady bags are very popular today. Every year, different styles and designs are born. Popular fashion designers make different fashion lines with this item. as she observes, it is "ground often marked by acrimony and rancor" among the specialists themselves.It is striking how fixated on the alleged behavior of our hunting-and-foraging forbearers some educated inhabitants of the developed world have become. Among the most obsessed are those who insist, as Zuk summarizes, that "our bodies and minds evolved under a particular set of circumstances, and in changing those circumstances without allowing our bodies time to evolve in response, we have wreaked the havoc that is modern life." Not only would we be happier and healthier if we lived like "cavemen," this philosophy dictates,When someone required some sort of brighter or maybe better bench grinder, they would must pick a bulb that is certainly nearby the 5,000 Ok spectrum.Led lights use only a part of the electricity required by high-pressure sea salt lamps. but "we are good at things we had to do back in the Pleistocene … and bad at things we didn't."

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