Category Archives: Anthropology

How Our Stone Age Bodies Struggle To Stay Healthy In Modern Times

Book coverIf you got sick, you probably wouldn’t go to an evolutionary biologist to get treated. But Daniel Lieberman, professor of evolutionary biology at Harvard University, says that his field can help you understand why you got sick, and make you more aware of healthy and harmful behaviors.

On our relatively “new,” unfettered access to sweet foods
We evolved to crave sweet foods. Everybody loves sweet foods. But if you try to eat foods that hunter-gatherers eat or chimpanzees Cheap Jerseys eat, you’d be surprised at how unsweet they are. Most wild fruits are about oakley womens sunglasses as sweet as a carrot. So we love sweetness, but until recently, pretty much the only food that we got that was sweet was honey, and honey of course was a special treat — honey was pretty much the only form of dessert in the Paleolithic. But now we have access to abundant quantities of sugar and simple carbohydrates, which we evolved to love because they’re full of energy, but we don’t have the metabolism. We don’t have the bodies that are able to cope with those kinds of levels of sugar, and the result is that we get sick.

On why stress leads us to crave comfort foods
The hormone that gets elicited when you get stressed is cortisol. … If you jump out Tracker of an airplane or something really bad happens — a loved one dies — our body goes into a fight or fright [sic] state; we’re ready for danger. And cortisol plays an important role because it releases sugar into the bloodstream so you can run from that lion or deal with whatever that bad situation is. It makes you more alert. But it also exacts a toll. Cortisol makes us want to bring in more energy to cope again, with those energetic needs. So stress activates basic primal urges to eat calorie-rich food, which is, of course, useful to cope with those kinds of situations, from an evolutionary perspective. So people who have lives that contribute to higher basal levels of cortisol are more likely to suffer the ill consequences of that stress.

On the way the stress we experience today is different from Paleolithic stress
Stress creates this vicious cycle, this positive feedback loop. When you’re stressed you crave unhealthy foods, but when you’re stressed you also have a harder time sleeping, and when you have a harder time nfl jerseys china sleeping that elevates your levels of stress. It just sets off this chain reaction that keeps going on and on. Now normally, when we’re stressed, the stimulus that causes the stress should be a short-lived one; that’s what evolution predicted. … oakley sunglasses sale So a lion chases you, that’s a very stressful event, obviously, hopefully you managed to run away from the lion … life goes on. But much of the stress we create today results from social conditions. If you think about the most stressful things we experience, they’re often our lives — they’re our jobs, our commutes, not having enough money, the list goes on. Those, of course, oakley sunglasses cheap elicit chronic levels of stress. And when stress becomes chronic, then it helps feed a variety of mismatched diseases that make us ill, that make us depressed, that make us anxious, that make us overweight, which causes more stress and then keeps the cycle going.

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Watch Movie Online Split (2017) subtitle english

Poster Movie Split 2017

Split (2017) HD

Director : M. Night Shyamalan.
Writer : M. Night Shyamalan.
Producer : Mark Bienstock, Jason Blum, M. Night Shyamalan.
Release : January 19, 2017
Country : United States of America.
Production Company : Universal Pictures, Blumhouse Productions, Blinding Edge Pictures.
Language : English.
Runtime : 117 min.
Genre : Horror, Thriller.

Movie ‘Split’ was released in January 19, 2017 in genre Horror. M. Night Shyamalan was directed this movie and starring by James McAvoy. This movie tell story about Though Kevin has evidenced 23 personalities to his trusted psychiatrist, Dr. Fletcher, there remains one still submerged who is set to materialize and dominate all the others. Compelled to abduct three teenage girls led by the willful, observant Casey, Kevin reaches a war for survival among all of those contained within him—as well as everyone around him—as the walls between his compartments shatter apart.

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EDGE: Richard Thaler’s Question on overturned beliefs/science

Richard ThalerRichard H. Thaler, Director of the Center for Decision Research at the University of Chicago Graduate School of Business, is the father of Behavioral Economics. In preparation for a new book he asked EDGE contributors to answer this question:

The flat earth and geocentric world are examples of wrong scientific beliefs that were held for long periods. Can you name your favorite example and for extra credit why it was believed to be true?

As of today, there are 61 responses which make for fascinating reading on how science has corrected itself and our views of nature.

The contributors include Neil Shubin, Garrett Lisi, Peter Schwartz, David Deutsch, Haim Harari, Alun Anderson, Irene Pepperberg, John Holland, Derek Lowe, Charles Simonyi, Nathan Myhrvold, Lawrence Krauss, Steven Strogatz, Cesar Hidalgo, Eric Topol, Christian Keysers, Simona Morini, Ross Anderson, James Croak, Rob Kurzban, Lewis Wolpert, Howard Gardner, Ed Regis, Robert Trivers, Frank Tipler, Joan Chaio, Jeremy Bernstein, Matthew Ritchie, Clay Shirky, Roger Schank, Gary Klein, Gregory Cochran, Eric Weinstein , Geoffrey Carr, James O’Donnell, Lane Greene, Jonathan Haidt, Juan Enriquez, Scott Atran, Rupert Sheldrake, Emanuel Derman, Charles Seife, Milford H. Wolpoff, Robert Shapiro, Judith Harris, Jordan Pollack, Sue Blackmore, Nicholas G. Carr, Lee Smolin, Marti Hearst, Gino Segre, Carl Zimmer, Gregory Paul, Alison Gopnik, George Dyson, Mark Pagel, Timothy Taylor, David Berreby, Zenon Pylyshyn, Michael Shermer, and George Lakoff.

Topics (with comments on both bad and correct science or beliefs) include: plate tectonics, cosmic inflation, prions, quantum entanglement, the force of gravity, the great chain of being, bird intelligence, the four humours of human physiology, luminiferous aether, bad air disease theory, Peripatetic Mechanics of Aristotle, stress theory of ulcers, intelligent design/creationism, the age of the Earth, cell regeneration, spontaneous generation of life, vitalism, unifunctional components of the brain, security by obscurity, whales as fishes, group selection, unilinear cultural evolution, static universe, Lamarckism, nature/nurture, the existence of a vacuum, the human brain vs. the heart, and more…

Bonus: Thaler on his field Behavioural Economics: