Evolution

Evolution

Evolution Questions

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by 1159 · less than a minute ago

Why did we evolve with the ability to store some nutrients and possibly causing toxicity (i.e. Vit A, B12, etc...) and shed others (i.e. Vitamin C, Magnesium, Potassium, etc...) when the body has enough? What would be the purpose of this from an... (more)

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Dan_9 0 · March 29, 2011 at 9:49 PM

As far as I know, the reason different nutrients are stored and cause toxicity while others just pass right through is because of their chemical properties rather than any specific evolutionary reason. It's actually pretty simple: Water soluble... (more)

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by 56606 · 1 minute ago

Paleohacks is a place to discuss small "hacks" we can apply to our lives to make them better: "A "hack" is a shortcut, rule-of-thumb, or simply a good way to get something done quickly." I don't think anyone would argue that sexual orientation,... (more)

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Bread_Eating_Beelzebub 0 · March 17, 2011 at 5:48 PM

The list-servs: Evol-psych Anthro-L TAXACOM Paleoanthropology Yahoo group Evolvify relationship forum Evolvify Anthropology, biology, etc. science forum (more)

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by 2245 · 4 minutes ago

Walking upright, using fire, using tools, language development, cave painting, moving out of Africa, etc up to agriculture. I can never remember when these significant changes happened and I wondered if anyone had come across a simple diagram or... (more)

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Pieter_D 0 · December 05, 2010 at 8:13 PM

from a great website: http://humanorigins.si.edu/evidence/human-evolution-timeline-interactive

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by 24523 · 5 minutes ago

Has anybody read the above book, or anything like it? "Briefly, Dr. Previc presents the provocative theory that approximately 80,000 years ago, high levels of dopamine led to the profound developmental leaps that most set modern man apart from... (more)

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mac389 0 · November 04, 2010 at 11:29 PM

Dopamine is important in many brain processes, including those that generate motivated behavior. Just as with superfoods, be wary of explanations that hinge on a single actor. An interesting neuroscience tidbit is that many chemicals originally... (more)

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by 20411 · 5 minutes ago

Was wondering what the survival advantage could have been and came across this paper: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2917125/?tool=pubmed (full free text) From the abstract: "All humans are double knockouts. Humans lack the... (more)

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Levi 0 · October 28, 2010 at 9:09 PM

Good question. I've heard that it was a genetic mutation that we eventually were able to adapt to with diet. The other option is that because of our self-selected diet the ability to synthesize C was not preserved because it wasn't as needed. Gary... (more)

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by 20 · 5 minutes ago

Hi all. I very much enjoy this site and have looked for an answer to this question to no avail. Do you think it is optimal to stick more to foods that are closer to our paleo ancestry? Meaning that, for example, someone who had a lot of... (more)

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Bread_Eating_Beelzebub 0 · September 27, 2010 at 6:09 PM

It's easier on a genetic level to look at individual constituents of foods and look for adaptations to them. Because really, any vegetable at the grocery store is neolithic because they are all a product of domestication. If you were being... (more)

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by 65 · 6 minutes ago

Loren Cordain argues (without a citation) that the human genome has chagned only .02 percent in 40,0000 years. But other sources say that because of population growth, human genetics has changed much more rapidly in the last 5,000 years than the... (more)

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Domer88 0 · July 12, 2010 at 1:52 PM

The ability to do rapid analysis of the genome has radically changed our understanding of human genetics over the past 10 years, and the consensus is evolving (no pun intended). It is becoming clear that evolution continues unabated, even though... (more)

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by 1912 · 8 minutes ago

There are many flavors of Paleo floating around; the term itself seems to mean something different to almost everyone. What does Paleo mean to you? Which flavor do you subscribe to, and why? What changes have you made in your life as a result? (more)

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Louisa 0 · March 11, 2010 at 9:08 AM

Paleo for me, purely and simply means: 'A Blueprint For Life' - an authentic blueprint that I refer to in many aspects of my day and gain great pleasure in trying to move closer to as the years go by (the journey has been a long one). It covers... (more)

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by 56606 · 8 minutes ago

Having spent so much time as a vegan, one argument I heard frequently was that humans are naturally herbivores, so consuming meat is harmful and "unnatural." Unfortunately this also seems to have seeped into pop culture as well and I've also heard... (more)

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Bread_Eating_Beelzebub 0 · March 07, 2010 at 3:20 PM

YOU can add to this Community Wiki...simply click "edit"! Comparing us to Great Apes ignores that they have the ability to ferment the tough foliage that they eat into free fatty acids, which account for 57% of calories consumed in gorillas.... (more)

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by 10502 · 8 minutes ago

I recommend the following: Primal Body-Primal Mind: Empower Your Total Health The Way Evolution Intended (...And Didn't) The 10,000 Year Explosion: How Civilization Accelerated Human Evolution Good Calories, Bad Calories: Fats, Carbs, and the... (more)

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Nero 0 · February 13, 2010 at 12:17 PM

Every book and article by Taubes. And Barry Groves Trick and Treat. Proteinpower by Dr. Eades. Weston Price (himself) articles/book. One of the first Doctors dealing with LC Wolfgang Lutz Life without bread. Nutrition an disease by Mellanby. (more)

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by 15003 · about 22 hours ago

Over on his blog, Darrin describes what he sees as the five failings of paleo, which include: We Don???t REALLY Know What Our Ancestors Ate There Is No ONE Paleo Diet Yes, We HAVE Evolved Since the Paleolithic What Is Natural Is Not Necessarily... (more)

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Matt_11 0 · October 18, 2011 at 2:45 PM

Five failings of DOGMATIC paleo. Once you get beyond the whole WWGD (What would Grok do?) and what fill-in-the-blank-with-a-paleo-guru says is paleo or not, paleo just works. It doesn't matter what we used to eat, it doesn't matter that humans... (more)

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by 0 · about 23 hours ago

https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcQCSAPbtafe4kYN9OZ4Zd9Bdoql_LBZvN8Z2kvXtU3E4IQmSlaKI wonder if this could be an evolutionary reason? http://www.vegetarian.org.uk/campaigns/whitelies/images/report-14.gif (more)

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Lesley_1 0 · July 23, 2014 at 5:47 AM

Many of the carbs in human breastmilk are indigestible by our human cells. They pass right through the stomach and land in the intestines, where they are feasted upon by the baby's beneficial gut bugs. In other words, the carbs in breastmilk feed... (more)

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by -2 · about 23 hours ago

I'm hoping to make this topic a peaceful, interesting discussion. So supposedly we came from apes or gorillas right? Well, to me, gorillas and apes don't appear to be any more special than a polar bear, a deer, a shark, etc. Supposedly... (more)

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Methodician 0 · March 19, 2014 at 8:24 PM

You're really trying to scratch at the surface of a deep and complicated topic that you could spend 20 years of your life studying before truly understanding... "what made us turn into human".... I'll do my best to explain what little I know in... (more)

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by 5 · about 23 hours ago

No one can deny that Paleo monks are healthy, and not few reach the hundred years or at least get very old, but still are very active and healthy. Well, but they are mostly vegans, but always vegetarians, as one part of their "Dharma" ist to... (more)

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Sabertooth 0 · September 10, 2013 at 10:12 PM

" The mind plays a much greater role in health and longevity than most would like to believe and stress is a killer." ---------- Indeed. Also - in addition, while most monastic traditions nowadays (Zen, etc.) actually focus very... (more)

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by 14 · about 23 hours ago

Wasn't Africa connected to South America and a few other continents thousands of years ago? What evidence out there is contrarion to different "races" of homo sapiens evolving simultaneously in Europe, Asia and Africa? Even Mitochondrial Eve was... (more)

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CD 0 · August 05, 2013 at 1:06 PM

I hope this is a serious question, because otherwise I am wasting my time. Pangaea split about 200 million years ago, Homo sapiens first "walked" the earth about 150,000 years ago. I am pretty sure you mean species and not "different 'races'".... (more)

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by 5 · about 23 hours ago

I'm curious about paleo. The dietary recommendations make a lot of sense, but the link to human evolution seems more tenuous to me. Does the paleo diet stand or fall with claims about the way paleolithic humans ate/behaved? How does evolution... (more)

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elf27 0 · June 18, 2013 at 4:12 PM

This might help (Note, just speaking for the perfect health diet, not paleo (robb wolf) or primal (sisson) or bulletproof (dave asprey) or whoever else identifies as paleo. Also, in the perfect health diet book, they talk about how there is... (more)

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by 10 · about 23 hours ago

I often hear that walnuts are not paleo because of their high omega 6 content. Instead we should focus on macadamias and cashews. I see that the latter's omega6/3 ratio is better. But what is the evolutionary argument? Did Grok not eat all nuts?... (more)

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AxialGentleman 0 · June 07, 2013 at 9:57 PM

Ancestral humans certainly ate whatever they could get, in whatever quantity was available. But nuts weren't available, pre-shelled, year-round, in totally unlimited quantities. Supposedly, modern food also exposes us to more omega-6 fat from... (more)

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by 0 · about 23 hours ago

Are any of the Starbuck's Evolution Fresh Juice Drinks, paleo?

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greymouser 0 · May 08, 2013 at 10:34 PM

No. Some of them have added processed food products, like protein isolates. Some that I saw had added sugar Juice itself is only borderline paleo-accepted in small quantities, as it's just the sugar-water from fruits, without all the other good... (more)

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by 13 · about 23 hours ago

There is strong evidence that humans pre 12,000 BCE did not live beyond 40 years of age. why is there such a strong assumption that their diet was good if this is the case? We are omnivores who evolved to survive on a wide range of available... (more)

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raydawg 0 · May 08, 2013 at 10:31 AM

You're right, we are omnivores who evolved (thank you for not using designed here) to survive on a wide range of available foodstuffs. But the key word there is survived, not thrive. Just because we can eat certain things and they won't outright... (more)

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by 2097 · about 23 hours ago

How has your personal paleo diet evolved and changed over time and more specifically for what reason? mine went a little like this- I flirted with atkins (eggs, bacon, salads, meats) years ago without much success as all the high fat never... (more)

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UncleLongHair 0 · March 24, 2013 at 3:00 AM

1) Over a period of 15 years I had tried vegetarian, vegan, "Zone", Atkins, and "don't care" diets, with (in retrospect) no success. The fact that I was constantly trying a diet is a testament to the fact that I was unhappy with my size, shape,... (more)

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by 43 · about 23 hours ago

I was watching a documentary on the evolution of man on Netflix (I forget the exact name but could find it if need be)... The claim was that although humans are not necessarily faster than the animals they hunted during hunter-gatherer times,... (more)

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fredmull 0 · March 21, 2013 at 7:54 PM

I think the "chronic cardio" phrase was coined to identify over-training that may lead to excess cortisol production, and overall stressed training. The folks running after gazelles are just trying to get dinner. Born to Run illustrates this long... (more)

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by 120 · about 23 hours ago

The question is simple. Mammals have mammary glands, mammary glands produce milk. Early humans ate animals so they must have consumed the mammary glands. From my rudimentary understanding of human evolution humans have been scavenging/hunting... (more)

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VB 0 · March 18, 2013 at 11:54 AM

In her book "Deep Nutrition" Dr. Cate claims that some of us are well-adapted to dairy since after hunter-gathering humanity went into herding for over 10,000 years in some regions. However, that was RAW GRASS-FED full-fat fresh or fermented... (more)

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by 1672 · about 23 hours ago

In an interesting question I recently came across, I found this statement, from one of the answers, rather compelling: to live a long, healthy, post-reproductive lifespan, we want our bodies to concentrate on maintenance and repair. To do that we... (more)

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David_McC 0 · March 16, 2013 at 2:48 PM

It sounds like an Art de Vany quote to me. It certainly reflects his current thinking. The point that's being made is that up until the time we reproduce, hormones and other bodily functions lead us to a point where we can reproduce. After that,... (more)

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by 787 · about 23 hours ago

I recently followed a link on paleohack to a previous topic about psilocybin (magic) mushrooms helping with under eye dark circles & then someone mentioned magic mushrooms being paleo, i laughed but its so true, then i got to thinking about... (more)

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Lumifer_1 0 · March 15, 2013 at 8:07 PM

I am pretty sure paleo people consumed psychoactives. It's not like they are hard to find in nature. I am also pretty sure that the theory about how the enhanced visual acuity while tripping makes your a better hunter and conveys an evolutionary... (more)

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by 812 · about 23 hours ago

So one argument that vegans bring up when saying (dietary) cholesterol is bad is that people who have familial hypocholesterolemia, a familial condition of low cholesterol have an average life span that is 7 to 9 years longer than an average... (more)

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Matt_11 0 · March 07, 2013 at 3:17 AM

Evolution doesn't select for longevity, it selects for reproductive fitness. Familial hypocholesterolemia (and hypercholesterolemia for that matter) don't affect reproductive fitness.

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