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| | #61 (permalink) | |
| Family Member Join Date: Mar 2009
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Eating meat does not change brain size, a sudden emergence of increased protein over centuries increases it. The hominids did not suddenly find new "protein plants" as a source, they ate the same plants they always did. The protein obviously came from meat this includes fish and even bugs. Not sure why you want to change science? Chimps can be homo, they have similar DNA. Homo Dentilis was obviously homo, it also had full bodyhair and looked like a chimp and was a plant eater. The meat eating homo species came later, much later. Again it's one reason why we have the increased brain over erectus or modern chimps. There is a HUGE gap there, millions of years. Along the way there are cave fossil records of stone weapons and all sorts of large game hunting, rhino, girraffe, the bones have been cut by tools etc.. Some websites do enjoy posting bias pseudo-science or harping on one simple conflicting point but I haven't seen any studies that put any doubt into these facts. It doesn't mean this is the absolute best diet. Last edited by joelr; 02-27-2010 at 11:22 PM. | |
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| | #62 (permalink) |
| Senior Member Join Date: May 2008 Location: Houston
Posts: 909
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I don't think the extra protein is what did it. This is definitiely a case of correlation not equating to causation. Consider the point in time when hominids added meat to their diets. They HAD to add meat to their herbivorous diet because there wasn't enough plant material to survive on. The periods of time in which we struggle the most are the periods where we see the greatest advances in evolution. The extra protein might have helped the development of the bigger brain but it wasn't the primary driving force. And actually, when man first began to cultivate rice, beans, spinach and other vegetables high in protein (the agricultural revolution) he DID "suddenly find new "protein plants" as a source." Of course that was man (after he had the bigger brain) and much later. It's interesting though, isn't it? Last edited by SmartAlx; 03-01-2010 at 08:53 PM. |
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| | #63 (permalink) | |
| Family Member Join Date: Mar 2009
Posts: 2,225
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Like you say, those farmers were already human. Looking at those groups there is also decent amounts of meat eating. Right after the last ice age the paleo-indians who populated North America had to deal with this 1000 year cold spell (Younger-Dryas). Awful conditions, not remotely close to the original jungles where planteaters thrive. Much vegetation went extinct but the bison remained and were readily hunted. If you think about it, for Humans, especially groups of 14-15yo men, hunting must have been the most fun they could have (besides whatever type of love life took place back then?). Teenageish age guys are often looking for excitement and can be restless and so forth. Nowdays we have things to do, buy a motorcycle, join the Army, bodybuild, martial arts, partys, nightlife, college life, fast cars. I do remember a time where basic life seemed unimportant, being with friends and fun/excitement was all-important. Since we know that early humans in North America had a tendency to NOT fight among tribes as it's better for survival to trade tricks, secrets, more mate selection etc...For humans making weapons and hunting must have been huge. The morals and ethics actually were dealt with by some tribes. There is an old mythological story about a woman and a buffalo where the basic message is it's ok to kill prey for food because the prey is somehow re-born. Point isn't that it's true just that they did eat lots of meat and they did think about right and wrong. | |
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| | #64 (permalink) |
| Family Member Join Date: Dec 2008 Location: Nationality: British Soul: Otherworldly Current Location: Barcelona, Spain
Posts: 5,960
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Read the OP (I replied to this thread before without doing so Re: eating meat makes you less of a man While I don't have any aims to be any more manly than God chooses me to be and totally reject the masculine paradigm of our societies, I have to point out that all of my girlfriends have pointed out the great taste of my sperm since going vegan. Apart from that, I think I could have eaten meat when I was a carnivore without "altering" it to make it palatable. I should also say that I find avocadoes comparatively boring without salt, oil and lemon to spice them up, too. Same with rice dishes or beans or whatever else I cook - needs spice. Just pointing that out. Great article apart from that though. Double thumbs up Love Andrew |
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| | #65 (permalink) | ||
| Member Join Date: Jan 2010
Posts: 46
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I don’t know whether we are physiologically designed to eat meat or not. To be honest, I don’t much care, since I firmly believe that personal experimentation is the way forward, and then whatever makes you feel better is what you should eat. One man’s meat is another man’s poison, so to speak. But I’m not convinced by most of the arguments presented by people who argue against omnivorism. Much is made of meat-eaters ‘not doing their research’ and a great deal of abuse is often leveled at them, but I find there is often a lack of research on the parts of the vegetarians (and definitely a lack of willingness to consider another side. Someone argued that, if you go looking for evidence for omnivorism, then you’ll find it- but the same is true for the vegetarian argument). For instance, HealthySoul, I think you’ve changed your argument a bit. First you say that humans don’t like plain cooked meat with no sauce or spice, then you say that we do, and we just don’t like it raw: Quote:
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| | #66 (permalink) | |
| Senior Member Join Date: May 2008 Location: Houston
Posts: 909
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Now we have the ethical dilemma of deciding which is "more evolved" the omnivore or the herbivore. We clearly no longer require meat to survive and we now possess enlightenment over the sanctity of life. I can foresee a time in which we as a species shutter at the thought of the barbaric practice of killing for food. Right now we are a bit backwards. Most "civilized" people consider it barbaric to be the person who has to butcher the animal. Yet they greedily eat the meat. They don't respect the animal as the people in the past did. And they don't respect the person who butchers so they can eat that meat. They take their diet for granted. There's a real disconnect there. I can see that changing over time. I respect people who slaughter the animals themselves a whole lot more than the people who would never do it, but eat the meat anyway. I say if you are going to survive off of the killing of something, you should be willing to be involved in the process of killing that animal. Otherwise you are no better than a hypocrite. Last edited by SmartAlx; 03-05-2010 at 03:15 PM. | |
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| | #68 (permalink) | |
| Retired Join Date: Mar 2010 Location: A Greyhound Station where I set my thoughts to far off destinations...
Posts: 4,380
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What would that be? Well, if you look at our physiology, you will see we are frugivores. Behavior has nothing to do with it--even mass behavior. If someone started a cult where they all ate, say, a serving of dirt with every meal (gotta get that b12, right?) --that doesn't change our physiological needs--no matter how big the cult grew. | |
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| | #69 (permalink) | |
| Retired Join Date: Mar 2010 Location: A Greyhound Station where I set my thoughts to far off destinations...
Posts: 4,380
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Any way, what would you rather really do (as these would be you options in nature) Take a bite of a) a cow[if it were whole and raw--I'd doubt you'd care about it being grass fed] b) grass [like a true herbivore] or c) a mango (or any other fruit for that matter). | |
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| | #70 (permalink) |
| Member Join Date: Feb 2010
Posts: 39
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Well we weren't brought up on raw meat... sure eating a raw cow may seem gross to most since we've been cooking for years... but sushi is gross to some and a delicacy to others. Also... fire has been controllable by humans for around a million years... enough time to evolve to cooked meat. |
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| | #71 (permalink) | |
| Retired Join Date: Mar 2010 Location: A Greyhound Station where I set my thoughts to far off destinations...
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| | #72 (permalink) |
| Retired Join Date: Mar 2010 Location: A Greyhound Station where I set my thoughts to far off destinations...
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"If you think about it, for Humans, especially groups of 14-15yo men, hunting must have been the most fun they could have (besides whatever type of love life took place back then?). Teenageish age guys are often looking for excitement and can be restless and so forth. Nowdays we have things to do, buy a motorcycle, join the Army, bodybuild, martial arts, partys, nightlife, college life, fast cars. I do remember a time where basic life seemed unimportant, being with friends and fun/excitement was all-important." Have you considered that perhaps a combination of societal pressures, crazy hormones we put in animal products (in addition to the ones there just because it died), poor parenting, and overstimulating technology (too much TV, video games, etc) is what causes many teens (believe me, it's not just guys) to become reckless thrill seekers? How do we know teen guys even had this "crazy phase" way back when? It's just a stereotype that it's just a "manly" thing to do. |
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| | #73 (permalink) |
| Family Member Join Date: Jun 2009 Location: Australia
Posts: 1,041
| That's okay, I shouldn't have to eat meat from other animals to get this DHA and iodine. My body is full of it. I turn various plants into meat, like a cow turns grass into meat. If you cut me open there will be meat inside my body, and animal fat too.
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| | #74 (permalink) |
| Senior Member Join Date: Nov 2006
Posts: 369
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The whole field and study of evolutionary nutrition points to humans as omnivores, who on average, had 60% of their calories from animal sources. First of all, you have to look at what we ate in the last million years, not the last 4 million, where we were different animals entirely. The study you quoted compares data from millions of years ago, yet our hominid ancestors went through a drastic change on the African savannah about a million years ago. Our brains became much bigger and our digestive systems became shorter at the same time. We lost the large digestive system of animals that primarily survive on fiberous vegetables because it is just too calorically inefficient to have a huge calorie consuming brain and a huge calorie consuming digestive system. Read the papers published by Cordain et al that speculate on the nutrients needed to make that evolutionary shift. Most likely it was scavenged brain and bone marrow of kills made by other animals, which we broke open with tools. The content of the brains and bone marrow had high concentrations of DHA and arachidonic acid (which a vegetarian diet DOES NOT have) to make up the increasing brain size, and it was also calorically dense enough to allow our digestive systems to shorten. Let me emphasize that there is no debate on the issue of of whether we were omnivores in the scientific community studying evolutionary nutrition--the only debate is whether we ate tubers along with fish, or brain and bone marrow. Only these two options would provide enough DHA and AA to allow the increase in brain size, as well as the caloric density to reduce the size of our digestive systems.
Last edited by Scipio; 03-07-2010 at 03:09 PM. |
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| | #76 (permalink) | |
| Senior Member Join Date: Nov 2006
Posts: 369
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Seriously, it seems like some of the vegans here are much like Christians who deny the validity of evolution. You are free to look up on pubmed the massive amount of studies into evolutionary nutrition, instead of just denying the scientific evidence in favour of your dogma. I would love it if we evolved eating only vegetables. Heck, it would be cheaper on my food bill. The thing is, if you are at all aware of any of the research going on in the field, you know it just isn't true. | |
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| | #77 (permalink) | |
| Retired Join Date: Mar 2010 Location: A Greyhound Station where I set my thoughts to far off destinations...
Posts: 4,380
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If you look at the evidence--evolutionary and not--it is most likely humans are frugivores. The modern day evidence is even more reliable because it's observable, repeatable, etc. | |
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| | #79 (permalink) |
| Family Member Join Date: Oct 2007
Posts: 1,094
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secrets0stolen, I am not sure what evidence, evolutionary and not, you are looking at to support the argument that humans evolved to be frugivores. I can argue, though I will not, that if humans were evolved to be frugivores, we would never have left the trees and remained in the forests like chimps. The truth is, we moved onto the plains millions of years before modern humans evolved. Nitrogen-15 isotope analysis of Neanderthal fecal materials made us realize that they were even more carnivorous than we, getting up to 80% of calories from meat. The arguments for our lack of sharp teeth, claws, and other predatory stuff fails when we realize that human evolution is INTIMATELY related to our tool use. In fact, without the development of tools, human evolution would have progressed very differently. This key point, I believe, many people arguing evolutionarily for veganism do not understand. The probable direct ancestor to both Neanderthals and modern humans, Homo heidelbergensis, actively hunted animals. They made spears. Check it out: Homo heidelbergensis - Wikipedia, the free encyclopedia For over 1.5 million years, humans have been making stone tools, first to butcher dead animals, then to hunt live prey. In fact, ancient obsidian blades were the sharpest tools ever made by humans, sharper than any chef's knife or steel surgeon's blade today, sometimes less than a nanometer thick. To get this level of precision in tools, indeed, to make stone tools at all, requires hours of time and years of practice. For ancient humans to dedicate that much time to making tools SPECIFICALLY towards the butchering of animals, shows that they must have been very important, indeed, towards human survival. For those of you doing the whole chimps-as-vegetarians argument, I would direct you to this article: Chimpanzee Hunting Behavior and Human Evolution » American Scientist . Chimps actively hunt. They may spend hours doing so. They reduce the populations of Red Colobus Monkeys in the core of their territories by as much as 50%. Their hunting is quite significant, as you will see by this article. I am only trying to get real science across. I respect veganism, you DO get tons of antioxidants, it DOES make you feel great, but I cannot stand spurious arguments, evolutionary or otherwise, in its favor. I challenge you, secrets, to lay a more convincing foundation for an evolutionary argument for fruitarianism than 1.8 million years (the birth of Homo erectus) of progression towards meat eating. Most vegans, even those in the raw vegan community, understand this. Frederic Pautenaude supplements B-12 and choline, Shazzie supplements, David Wolfe eats ants to get his B-12, and the list goes on. Indeed, I am only aware that Dr. Doug Graham thinks supplementation unnecessary. We are clearly not "meant" for veganism, but I can also argue that veganism is quite able to make strong, healthy, happy humans, if only we stop ignoring our evolutionary history. As Richard Feynman said, "Nature cannot be fooled." Last edited by Fullcrum; 03-07-2010 at 08:22 PM. |
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| | #80 (permalink) | |
| Member Join Date: Oct 2008
Posts: 80
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Also - I'd like to add that your nutrition depends on your goals - Eating meat increases aggressiveness - which is vital if you want to fuel your goals - whilst vegetarian diet can help you with being closer to nature (and God). I don't think there is a right and wrong way about this - everyone is at their own level of development, and there are just as many ways to the "top of the mountain" as there are souls created. | |
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| | #82 (permalink) | |
| Family Member Join Date: Mar 2009
Posts: 2,225
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Studies have not shown higher GH levels in humans. That type of GH is not compatible with humans AND GH does not absorb through the gut. You don't drink GH, it won't work that way. It's not an oral med/muscle enhancer, human or bovine. I don't know of anything linking technology to thrill seeking or any evidence that parenting was better/worse in paleo humans so it's to reandom a variable to consider. Hunting is fun for a huge cross section of humans actually. If a world-wide study was done I think a large majority of folks would claim to entertain thoughts of it. I would not kill an animal in that sense unless I had no other food source but I would love to hunt, put a laser sight on an animal and call it a day. No-one gets hurt. Except me who'd get eaten by a lion. But in the northern climates there often was no other food. Especially in the younger-dryas 1000 year drought. I'd surely hunt for my loved ones. Fun and food. Back then, I'd already be outside. With not much else to do. No way are there enough plants to support a well rounded diet in permanent winter. It is not proven but there is even a theory that it was humans who caused the extinction of many large game species through hunting. | |
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| | #83 (permalink) |
| Senior Member Join Date: Nov 2007 Location: AR
Posts: 863
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I think it odd that so many try to argue over what chimps and apes eat most of the time in an effort to prove they are either/or herbivores or omnivores. They then completely ignore the FACT that less than 10% of the human population eats exclusively plants, and they do so by choice (with only few exceptions). Humans are obviously omnivores because over 90% of us eat meat and plants, I don't even see the argument, it does not exist. Now if you want to argue from moral or spiritual positions that we should choose to go against what has allowed our current success as a species (population wise), go ahead. If you choose to be a vegetarian, by all means do so, even tell me why....just don't try to get me to deny what I see with eyes and what is easily measured by consumption rate. At the least, quit bringing up what monkeys eat if the standard doesn't apply both ways. |
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| | #85 (permalink) | |
| Family Member Join Date: Jun 2009 Location: Australia
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| | #87 (permalink) |
| Senior Member Join Date: Jan 2008 Location: uk
Posts: 405
| BBC News - Did the discovery of cooking make us human? "The daily mountain of fruit and vegetables would mean a six-hour chewing marathon. It is already accepted that the introduction of meat into our ancestors' diet caused their brains to grow and their intelligence to increase. Meat - a more concentrated form of energy - not only meant bigger brains for our ancestors, but also an end to the need to devote nearly all their time to foraging to maintain energy levels. The eating of meat ties in with an evolutionary shift 2.3 million years ago resulting in a more human-looking ancestor with sharper teeth and a 30% bigger brain, called Homo habilis. The most momentous shift however, happened 1.8 million years ago when Homo erectus - our first "truly human" ancestor arrived on the scene. Homo erectus had an even bigger brain, smaller jaws and teeth. Erectus also had a similar body shape to us. Shorter arms and longer legs appeared, and gone was the large vegetable-processing gut, meaning that Erectus could not only walk upright, but could also run. He was cleverer and faster, and - according to Professor Wrangham - he had learned how to cook. "Cooking made our guts smaller," he says. "Once we cooked our food, we didn't need big guts. "They're costly in terms of energy. Individuals that were born with small guts were able to save energy, have more babies and survive better." - Evidence meat eating is actually essential to what made us human. |
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| | #88 (permalink) |
| Family Member Join Date: Jun 2009 Location: Australia
Posts: 1,041
| Explain that to me. I don't have any meat in my diet and I am not chewing for 6 hours a day. Maybe if you ate nothing but leaves but fruit is high in calories and doesn't need to be chewed for 6 hours.
Last edited by Beuford; 03-08-2010 at 12:55 PM. |
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| | #89 (permalink) | |
| Family Member Join Date: Oct 2007
Posts: 1,094
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Why is everyone only selectively replying to little flaws in the other side's argument? I dare any of the humans-are-biologically-vegan people to refute any of my previous arguments, including the one that says that most fruitarian and raw vegan proponents in general support supplementation of certain nutrients. Shazzie herself says that to say that humans are born to be vegan is false. Here is the link: Is the unraw unvegan movement rumbly in your tumbly? Shazzie Blog And the bit that interests us: Quote:
I have heard no credible scientific refutations towards the lack of certain nutrients in a raw vegan diet, nor any admittance that humans in general may, in fact, may not be designed for a purely vegetarian diet. On the theme of admittance, I shall admit the following: That raw veganism will give you tons of energy, more than most people are used to. The high levels of antioxidants and other nutrients will greatly slow down the aging process. The raw vegan diet may in fact BE THE BEST DIET for humans, or at least many of us, because with our modern juicing and blending technology, our abundance of year-round ripe fruits cultivated to increase the qualities humans like in fruit, abundance of greens tender enough to eat and lacking high concentrations of poisons like many greens in the wild, and other amenities of modern technology and distinctly un-natural, human-driven processes, the nutrient density of the raw vegan diet can be almost unsurpassed on most fronts. But I shall not admit that humans are "designed" to be raw vegan, only that, in the modern world, it may be the best option given our resources. It certainly uses less land and water than the current industrial farming system of animals. | |
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| | #90 (permalink) | |
| Family Member Join Date: Mar 2009
Posts: 2,225
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The same positive things can be said about a diet that includes lean protein sources (like tuna), complex carbs and good fats, all in proper ratios. Actually I'd say that diet has been tested more so than the vegan diet. Vegan does NOT automatically equal health or longevity through diet. Not even close. Vegans are still free to overeat carbs, particularly sugar, which is the single largest cause of obesity and all the health problems. I had a friend do vegan for about 1 year and he looked awful. Chubby and skinny. Of course it's obviously possible to eat well as a vegan but by itself it is in no way intrinsically healthy. Saying people will definitely have more energy is so wrong it's almost a crime. Vegan or no you still have to figure out the proper ratios and what foods to eat. Eating beet sugar all day, for example, is not going to give anyone energy. | |
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