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The Natural Human Diet

When you see dead animals on the side of the road, are you tempted to stop and snack on them? Does the sight of a dead bird make you salivate? Do you daydream about killing cows with your bare hands and eating them raw? If you answered no to these questions, congratulations—like it or not, you’re an herbivore.

According to biologists and anthropologists who study our anatomy and our evolutionary history, humans are herbivores who are not well suited to eating meat. Humans lack both the physical characteristics of carnivores and the instinct that drives them to kill animals and devour their raw carcasses.

 Human Physiology

Although many humans choose to eat a wide variety of plant and animal foods, earning us the dubious title of “omnivore,” we’re anatomically herbivorous.

Teeth, Jaws, and Nails

Humans have short, soft fingernails and pathetically small “canine” teeth. In contrast, carnivores all have sharp claws and large canine teeth that are capable of tearing flesh.

Carnivores’ jaws move only up and down, requiring them to tear chunks of flesh from their prey and swallow them whole. Humans and other herbivores can move their jaws up and down and from side to side, allowing them to grind up fruit and vegetables with their back teeth. Like other herbivores’ teeth, humans’ back molars are flat for grinding fibrous plant foods. Carnivores lack these flat molars.

Dr. Richard Leakey, a renowned anthropologist, summarizes, “You can’t tear flesh by hand, you can’t tear hide by hand. Our anterior teeth are not suited for tearing flesh or hide. We don’t have large canine teeth, and we wouldn’t have been able to deal with food sources that require those large canines.”

Stomach Acidity

Carnivores swallow their food whole, relying on their extremely acidic stomach juices to break down flesh and kill the dangerous bacteria in meat that would otherwise sicken or kill them. Our stomach acids are much weaker in comparison because strong acids aren’t needed to digest pre-chewed fruits and vegetables.

Intestinal Length

Carnivores have short intestinal tracts and colons that allow meat to pass through the animal relatively quickly, before it can rot and cause illness. Humans’ intestinal tracts are much longer than those of carnivores of comparable size. Longer intestines allow the body more time to break down fiber and absorb the nutrients from plant-based foods, but they make it dangerous for humans to eat meat. The bacteria in meat have extra time to multiply during the long trip through the digestive system, increasing the risk of food poisoning. Meat actually begins to rot while it makes its way through human intestines, which increases the risk of colon cancer.

Read author John Robbins’ discussion of the anatomical differences between humans and carnivores or review Dr. Milton Mills’ entire article on the topic to learn more.

Human Psychology

Humans also lack the instinct that drives carnivores to kill animals and devour their raw carcasses. While carnivores take pleasure in killing animals and eating their raw flesh, any human who killed an animal with his or her bare hands and ate the raw corpse would be considered deranged. Carnivorous animals are excited by the scent of blood and the thrill of the chase. Most humans, on the other hand, are revolted by the sight of blood, intestines, and raw flesh and cannot tolerate hearing the screams of animals being ripped apart and killed. The bloody reality of eating animals is innately repulsive to us, another indication that we weren’t designed to eat meat.

If We Were Meant to Eat Meat, Why Is It Killing Us?

Carnivorous animals in the wild virtually never suffer from heart diseasecancerdiabetes, strokes, or obesity, ailments that are caused in humans in large part by the consumption of the saturated fat and cholesterol found in meat.

Fat and Cholesterol

Studies have shown that even when fed 200 times the amount of animal fat and cholesterol that the average human consumes each day, carnivores do not develop the hardening of the arteries that leads to heart disease and strokes in humans.

Human bodies, on the other hand, weren’t designed to process animal flesh, so all the excess fat and cholesterol from a meat-based diet makes us sick. Heart disease, for example, is the number one killer in the U.S., according to the American Heart Association, and medical experts agree that this ailment is largely the result of the consumption of animal products. Meat-eaters have a 32 percent higher risk of developing heart disease than vegetarians do!

Excess Protein

We consume twice as much protein as we need when we eat a meat-based diet, and this contributes to osteoporosis and kidney stones. According to peer-reviewed studies, animal protein raises the acid level in our blood, causing calcium to be excreted from the bones in order to restore the blood’s natural pH balance. This calcium depletion leads to osteoporosis, and the excreted calcium ends up in the kidneys, where it can form kidney stones or even trigger kidney disease.

Consuming animal protein has also been linked to cancer of the colon, breast, prostate, and pancreas. According to nutrition expert T. Colin Campbell, the director of the Cornell-China-Oxford Project on Nutrition, Health, and Environment, “In the next ten years, one of the things you’re bound to hear is that animal protein … is one of the most toxic nutrients of all that can be considered.”

Eating meat can also have negative consequences for stamina and sexual potency. One Danish study indicated that “[m]en peddling on a stationary bicycle until muscle failure lasted an average of 114 minutes on a mixed meat and vegetable diet, 57 minutes on a high-meat diet, and a whopping 167 minutes on a strict vegetarian diet.” Besides having increased physical endurance, vegan men are also less likely to suffer from impotence.

Food Poisoning

Since we don’t have strong stomach acids like carnivores to kill all the bacteria in meat, dining on animal flesh can also give us food poisoning. According to the U.S. Department of Agriculture, meat is a significant cause of foodborne illnesses in the U.S. because it’s often contaminated with dangerous bacteria such as E. coli, listeria, and campylobacter. Every year in the U.S. alone, food poisoning sickens more than 48 million people and kills more than 3,000.

Dr. William C. Roberts, editor of the authoritative American Journal of Cardiology, sums it up this way: “[A]lthough we think we are one and we act as if we are one, human beings are not natural carnivores. When we kill animals to eat them, they end up killing us because their flesh, which contains cholesterol and saturated fat, was never intended for human beings, who are natural herbivores.” Learn more about how meat damages human health.

Human Evolution and the Rise of Meat-Heavy Diets

If it’s so unhealthy and unnatural for humans to eat meat, why did our ancestors sometimes turn to flesh for sustenance?

During most of our evolutionary history, we were largely vegetarian: Plant foods, such as yams, made up the bulk of our ancestors’ diet. The more frequent addition of modest amounts of meat to the early human diet came with the discovery of fire, which allowed us to lower the risk of being sickened or killed by parasites in meat. This practice didn’t turn our ancestors into carnivores but rather allowed early humans to survive during periods in which plant foods were unavailable.

Modern Humans

Until recently, only the wealthiest people could afford to feed, raise, and slaughter animals for meat, and less wealthy and poor people ate mostly plant foods. Consequently, prior to the 20th century, only the rich were plagued routinely with diseases such as heart disease and obesity.

Since 1950, the per capita consumption of meat has almost doubled. Now that animal flesh has become relatively cheap and is easily available (thanks to the cruel, cost-cutting practices of factory farming), deadly ailments such as heart disease, strokes, cancer, and obesity have spread to people across the socio-economic spectrum. And as the Western lifestyle spills over into less developed areas in Asia and Africa, people there, too, have begun to suffer and die from diseases associated with meat-based diets.

Commenting is closed.
  • Athos says:

    Well this is obviously biased,with many more inaccurate statements than accurate ones… The first part about wanting to devour an animal is a cultural mater. Next the thing about being herbivores is inaccurate, we are omnivorous all the available evidence indicates that the natural human diet is omnivorous and would include meat. We are not, however, required to consume animal protein. The majority of a human diet should not consist of meat, in fact a vegetarian life style may be more beneficial if not impractical. But Humans are natural omnivorous,and that is a fact like it or not.

  • not2difficult says:

    It appears that the fundamental point of “good health” has been lost in all the rhetoric. I have a well balanced diet of fruits, veggies, and meat products, and yes fish is meat also. I am over 50 ears young and in the best health and shape of my life. I have never had a medical issue (cancer,hbp,heart problems etc.) and I don’t take any medications. The doc says I’m presently in superb health. I have annual check-ups and regularly perform some form of physical activity as exercise. I suffered a cold 16 years ago and it lasted about 3 days.

    The above article is a bit biased but not so hard to understand being posted on a PETA site. If we could just dispense with the one-sided opinions and stick to what is true, there would be no need for the argument.

    Fact: Both, animal and plant food substances endure some form of brutality at the hands of humans.

    Some individuals somehow become blinded and ignorant to the fact that plants are living creatures as well as animals.

    Ignorance tends to find ways to justify itself and humans do it under the guise of politics and BS.

    Fact: There are just as many extremely harmful chemicals in use on our plant food sources as there are being injected into and or fed to our animal food sources.

    However, there are sources for both (plant and animal)available that are, for the most part free from chemicals not produced by the animal or plant itself. Unfortunately it comes at a premium price for which I hold humans who utilize ignorant politics the blame. This argument about one food type being better for human consumption than the other is pure foolishness and a waste of a good education. Common sense, moderation and balanced is the key and your health will benefit greatly as mine has for over 50 years.

  • Bond says:

    What a bunch of nonsense. Life is dynamic. Humans and Hominids in general are clearly omnivores for best health, variable per species, in terms of percentages within the optimum diet. Live by what you’re body indicates by response, that’s the real deal; which in other words means, ‘get in tune’ with knowing what your body indicates by responses to what you do and consume in life. You’re body gives you the answers. And that remark about potatoes, humans have only been eating potatoes for around ten thousand years, since those are native to south america, and humans didn’t get there until around 10K ago, or certainly no more than a few 10K’s if one is to believe eccentric perspectives. Though yes, it is a tuber, and in that sense, yes, humans have been eating tubers for probably well over a million or 2million years.

  • Nick says:

    Spot on. These people are so defensive about their way of life being threatened. It’s like you’ve just told them something crazy, like the world is round or disease isn’t caused by sin.

  • Michael says:

    Absolutely hilarious. Brilliant satire! This author is definitely one to watch on the comic scene in the near future.

  • HFMudd says:

    The implication of the article is if the article is wrong and humans have been naturally eating meat for 2.3 million years or so then we should all keep eating meat. Humans don’t “naturally” do many of the things we currently do, agriculture for instance. If all humans are to go, or go back to, a herbivore lifestyle it will be because we are are the first animals capable of consciously realizing and deciding not to kill and eat other animals. A lion doesn’t know what its doing, we do, with that power of consciousness comes the responsibility of knowing what or who you are eating.

  • JC says:

    “While carnivores take pleasure in killing animals and eating their raw flesh” pure speculative at best! I’d like to know were you the author got their proven scientific information for this.

  • Jasmin says:

    This is for people what think vegetable have no amino acids. Do your research before you believe everything you hear.
    The following description of the amino acids include their most
    important functions and some of the food sources in which they are

    ALANINE- Is a factoring regulating the adrenal glands and insuring healthy
    skin, particularly the scalp. It is found in almonds, alfalfa sprouts,
    apples, apricots, avocadoes, carrots, celery, cucumbers, grapes, lettuces,
    oranges, strawberries,, sweet peppers and tomatoes.
    ARGININE – Is used in muscle contraction and the construction of cartilage.
    It is essential in the functioning of the reproductive organs and in
    controlling the degeneration of the body cells. Arginine is found in
    alfalfa sprouts, beets, carrots, celery, cucumber, lettuces, parsnips,
    potatoes, turnips.
    ASPARTIC ACID – Is used in cardiovascular functions and in the retarding
    of tooth and bone destruction. It is found in almonds, apples, apricots,
    carrots, celery, cucumbers, grapefruits, pineapples, lemons, tomatoes and
    CYSTINE – Is used in the formation of red blood corpuscles and is involved
    in hair growth and the functioning of the mammary glands. It is found in
    alfalfa sprouts, apples, brazil nuts, beets, brussel sprouts, cabbage,
    carrots, currants, cauliflower, kale, pineapples, raspberries.
    GLUTAMIC ACID – Is used in maintaining blood sugar levels. Anemia will not
    occur if this and other nutrients are obtained and used. Glutamic acid is
    also a factor in the secretion of gastric juices. It is found in brussel
    sprouts, cabbages, carrots, celery, green beans lettuces and papaya.
    GLYCINE – Is a factor in forming muscle fiber and cartilage and in
    regulating sex hormones. It is found in alfalfa sprouts, almonds, carrots,
    celery, okra, oranges, potatoes, pomegranates, raspberries, turnips and
    HISTIDINE – Is used in manufacturing glycogen and in the control of mucus.
    It is a component of hemoglobin and semen. It is founding alfalfa sprouts,
    apples, beets, carrots, celery, cucumbers, endive, papayas, pineapples,
    and pomegranates.
    HYDROXYGLUTAMIC ACID – Is similar to glutamic acid and is a factor in
    controlling digestive juices. It is found in carrots, celery, grapes,
    lettuces, plums, raspberries, and tomatoes.
    IODOGORGOIC ACID – Is a factor in all glandular functions. It is found in
    carrots, celery lettuces, pineapples and tomatoes.
    ISOLEUCINE – Aids in the regulation of the thymus, spleen, pituitary and
    metabolism. It is also a factor in forming hemoglobin. It is found in
    avocadoes, coconuts, papayas, sunflower seeds and almost all nuts.
    LEUCINE – Counterbalances the isoleucine amino acid and is found in the
    same food sources.
    LYSINE – Aids in the functions of the liver, gallbladder pineal & and
    mammary glands. It is also a factor in fat metabolism and in preventing
    cell degeneration. Lysine is found in alfalfa sprouts, apples,
    apricots, beets, carrots, celery, cucumbers, grapes, papaya, pears and
    soya bean sprouts.
    METHIONINE – Aids in the functioning of the spleen, pancreas and lymph
    glands. It is a constituant of hemoglobin and tissues and is found in
    apples, brazil nuts, cabbages, cauliflower, kale and pineapples.
    NORLEUCINE – Balances the functions of leucine. Synthesized within the
    body if needed.
    PHENYLALANINE – Is involved in the functions of the kidneys and
    bladder and in eliminating wastes. It is found in apples, beets,
    carrots, pineapple and tomatoes.
    PROLINE – Involved in manufacturing white corpuscles and in the
    emulsifying of fats. It is found in apricots, avos, almonds, beets,
    brazil nuts, carrots, cherries, coconut cucumbers, figs, grapes,
    oranges, pineapples and raisins.
    SERINE – Aids in the tissue cleansing of the mucus membrane and in
    the lungs and bronchial. It is found in alfalfa sprouts, apples,
    beets carrots, celery, cucumbers, cabbages, papayas and pineapples.
    THREONINE – Aids in the balancing of amino acids.
    Threonine is found in alfalfa sprouts, carrots, green leafy
    vegetables and papaya.
    THYROXINE – Involved with the activity of the thyroid, pituitary
    and adrenals and in metabolic functions. It is found in carrots,
    celery lettuces, tomatoes and pineapples.
    TRYPTOPHANE – Involved in the generation of cells and tissues and
    in the pancreatic and gastric juices. Also a factor in the optic
    system. It is found in alfalfa sprouts, beets, carrots, celery,
    green beans and turnips.
    TYROSINE – Is a factor in the development of the cells and tissues
    and in the generation of red & white corpuscles. It is also found
    in the adrenals, pituitary, thyroid, and hair. Food sources are
    alfalfa sprouts, almonds, apricots, apples, beets, carrots,
    cucumbers, cherries, figs, lettuces, sweet peppers, strawberries
    and watermelons.
    VALINE – involved in the functioning of the mammary glands and
    ovaries. It is found in apples, almonds, beets, carrots, celery
    okra, pomegranates, squashes and tomatoes.

  • Linda says:

    Great anatomy information on this page! Further compelling is the recent revealation about PINK SLIME and Harvard’s medical team advising against a meat centered diet. As with the decline in cigarette acceptance, health experts will eventually transition from advising less and less consumption to total abstinence due to health hazards. Hopefully those health experts will examine the effects of hormones injected into animals to quickly fatten them up for more profits. Are these unlabeled ingredients a factor in why so many are gaining weight from eating contaminated carcass? Those hormones are in addition to the animal’s saturated fat, cholesterol and antibiotics that are causing such high drug resistance in humans. And even if you eat organic meat you still consume the animals’ natural hormones, in addition to their “fight or flight” catecholomines (epinephrine)released when they smell impending death. Every nutrient necessary for health is available in a vegan diet, confirmed long ago by the American Dietetic Association. Unfortunate is the political clout of the USDA and FDA and their close association with the meat industry. One must learn about lobbying power to understand how and why dangers of meat are currently downplayed in mass media.

  • Kira says:

    I have been vegetarian all my life. Never needed to take vitamins. I have high iron and omega 3. I get more protein then most meat-eaters and I don’t have greenhouse gases or murder on my hands. The facts say we’re not psychically made for a carnivores’ diet even looking into the bible there are signs saying a vegetarian diet is the way to live. Not that I’m religious but murder for self gain shouldn’t be a everyday occurrence in so many people’s lives.

  • Diana says:

    this article is pathetic, speculation is not proof, proof is proof. and if you have to take a vitamin/mineral supplement obviously it is not the best diet for your health as you are not naturally getting all the nutrients you need, and some nutrients are only found in meat like essential amino acids . I understand this is a peta site, but id rather have facts then speculation and propaganda. you can not get full nutrition on a plant based diet, but if many chose to i am not going to stake them to the cross, i also love how vegetarians believe they are not killing living beings….a seed grows into a plant, a plant has ova, just like a male plant has sperm…they are living, and you are killing them, we naturally kill to survive. no diet is better then the other nor holier or humane. the reason obesity is an epidemic we eat too much grain , gmo and chemical crops and live stock, get rid of monasanto and many would be slim again. i also want to add there is such a thing as fat vegetarians with ill health effects.

  • Nikhil Dwibhashyam says:

    I am a vegetarian, and I want soon to be a vegan. I completely agree with this article. I have been trying to tell this to people in debates for years. Unfortunately, some people don’t believe this.

  • Spark Mob says:

    Without our famous big brains, humans are not “the fittest” and probably should be extinct. Claws, strong teeth, speed, strength, endurance, fur – all missing in humans, but WE are superior? NO, we just mastered the sucker-punch – killing at distance

  • Candice says:

    I am in transition of turning vegan, I can honestly say that I do feel like a better human being! I really hope that more people will realize the truth about animal abuse. It’s much worse than we think. Surprisingly there are more Vegans in SA than I realized. I am learning new facts every day, and I am a proud Vegan.

    Thanks for this article!

  • VeganIsTheWayToGo says:

    @CC Clearly you were not eating well enough!! There are people in the world who live on just FRUIT and nothing else. You were NOT eating enough fruit or vegetables- and I don’t believe the “free-range” or “grass-fed” lies- every cow used for food is fed grass for the first part of their life. Eating meat is cruel. Go back to being vegan, just take vitamins for Fa’s sake.

  • Pueblo says:

    Some of these arguments I agree with, but some are pretty poor. Having used tools and fire for several hundred thousand years, the evolutionary pressure to eat raw or rotting meat would be very weak.

    Likewise, the idea that our lack of natural weapons is evidence of our herbivorous nature doesn’t necessarily stand up. Why keep claws that get in the way of making spears? We have to remember that the most dangerous weapons we have are our use of tools and our social organization.

    (I want to add that I’m a vegetarian of two years, I agree that we shouldn’t eat meat. I just don’t want a meat eater to make these same arguments and go on guilt free :D)

  • CC says:

    I appreciate this article. Unfortunately, I do not share the author’s views. At one point in my life I was a pristine clean vegan. Animal cruelty and “health” guided me to veganism. I began having health issues (after my veganism). Desperate and bedridden…I tried many things. Nothing worked until somehow I got the idea to try beef kidney. It was a godsend. The next day I was walking around normally. Whenever my strength would begin to fade again I would eat beef kidney. The same miracle would take place. Vegetarians are very resistant to this information and try to explain it away. No, it wasn’t vitamin B complex, I had already tried it. No, it wasn’t iron. I have very high iron levels. No, it wasn’t fat or cholesterol. I eat eggs regularly. I worship beef kidney the way I worship my parents for giving me life. They both gave me life. I felt like I was dying, and eating beef kidney revived and healed me. It isn’t so simple to say animal foods aren’t natural for humans to consume. I certainly take issue with the idea that it is all unhealthy. It saved me. I still almost cry from gratitude when I get a shipment of beef kidneys and beef livers now. They are supreme healers for human beings, and have been throughout history. I challenge you all to be openminded to my story. I am very concerned with animal welfare just like you all are. The beef kidneys, p.s., are raised as humanely as possible, grassfed etc. The quantity of even something as healthy as broccoli we consume, determines if it is helpful or harmful.

  • Andrea says:

    Frugivore! Not herbivore.

  • Ed says:

    Great, informative article. Nearly 3 years ago I began having very intense kidney pain. I changed my diet to vegetarian, then vegan and drank several servings of live juice daily, especially watermelon juice to clean and activate the kidneys. In a short time, my kidney pain completely stopped. From my research I concluded that my kidney degeneration resulted from decades of acidosis caused by retention of excess uric acid in my body from eating meat. The human liver only has the capacity to eliminate the uric acid produced by the organism itself. It’s nearly three years later and I am still free of kidney pain. I still eat a 100% vegan diet (mostly raw food) and juice my fruit and veggies daily. My blood pressure and ph level remain in the optimal range and I have more energy than when I was eating meat. I also no longer have prostate pain, among other amazing improvements in my health. I’m 60 years of age and an avid mountain biker here in Colorado.

  • Ashok says:

    Very good article! I never thought much of Peta until I read this article.

    You should change your focus. Instead of saying don’t eat meat, you should say something like… Are you killing yourself slowly by eating toxic, cancer foods? Instead of just being just promoting vegetarianism, you should also be promoting natural HEALTH, like eating natural foods.

    When you are talking HEALTH, everyone is interested. When you talk about preventing cancer, diabetes, heart attack, stroke.. you hook everyone as everyone is interested. No one is interested in eating only vegetables with so much options available these days.

  • Carbosjr says:

    “Let the advocate of animal food, force himself to a decisive experiment on its fitness, and as Plutarch recommends, tear a living lamb with his teeth, and plunging his head into its vitals, slake his thirst with the steaming blood; when fresh from the deed of horror let him revert to the irresistible instincts of nature that would rise in judgment against it, and say, Nature formed me for such work as this. Then, and then only, would he be consistent.” – Percy Bysshe Shelley

  • J says:

    Hey Denise,

    I am ‘allergic’ to meat too! I was beginning to think I was the only one. lol. But it is less of an allergy to me and more of an enzuyme thing. My body lacks the enzymes required to break down and digest meat, so I end up getting sick instead. It isn’t a pretty sight. 🙁
    It is pretty easy to stay on track as far as a diet goes though. Of course you have your fruits and vegies, protiens such as beans, nuts, and seeds, and if you are looking for something quick, natural, and gluten free that you can just pop in the microwave, I highly recomend Amy’s Cuisine. 🙂 Hope this helps.

  • casio says:

    its nisce great site and i have added in my favorites list

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  • meccalli says:

    You do know potatoes are toxic right? They weren’t meant to be eaten and i bet our ancestors made mashed potatoes…article was fine until i saw this LOL.

  • Good stuff says:

    well if you go on the atkins or dukan diet with all the meat you can damage your liver and/or kidneys (ketosis or something) so I guess it tells you right there its bad for you, common sense has not been telling us how to eat so its good there are articles like this out there..

  • not a vegan but maybe should be says:

    well I thought as a kid I was told we were carnivores because our eyes were in the front of our head or something yada yada, apparently i was told wrong, by the sounds of all this anatomical information, it is clear we are not supposed to eat meat!! thanks for the great article!

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  • MZ says:

    “This essential vitamin once occurred naturally on the surfaces of potatoes, beets, and other root vegetables, but the move away from natural fertilizers has caused it to disappear from our soil. ”

    And where did humans get it from for the thousands of years they existed before they developed agriculture? Not to mention the fact that the majority of scientific evidence shows that organic foods are no more nutritious than modern crops.

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  • Omnivore says:

    PETA has made a very good argument here for the claim that humans are not carnivores. But, there is nothing here to say that we are not historically omnivores that are intelligent enough to hunt without our teeth and then cook our food so it does not poison us.

    I support vegetarians and vegans but PETA is doing an injustice to the movement here by being so obviously swayed away from fact and critical thinking to embrace an obvious pursuit of an ideology rather than a reasonable conclusion.

    I think that PETA could have a much greater impact if they focused on humans reducing their meat consumption, switching to healthier meat sources (organic) and switching to eating animals that were not tortured.

  • Maxie diompoc says:

    Eating meat leaves a bad taste on tongue unlike when you eat vegetable it’s really different, you know very well that you are clean and contented enough with what you eat..”no meat of different animals in your stomach” no guilty feeling because no animals were killed.

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  • Alfie says:

    I totally agree with this article. Actually, even though humans are meant to eat meat, i won’t eat one because animals feel pain like us.

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  • Ashley-P says:

    This essential vitamin once occurred naturally on the surfaces of potatoes, beets, and other root vegetables, but the move away from natural fertilizers has caused it to disappear from our soil. Nutritionists recommend that vegans take a commercially available multivitamin or vitamin B12 supplement or eat foods that are fortified with vitamin B12, such as many breakfast cereals, fortified orange juice or soy milk, or nutritional yeast.

  • meet says:

    nice try. except i only need three characters to debunk this article.


  • Emily says:

    I’m a vegetarian, and I had heard just about every question there is. And not to mention the comments like we do have to eat meat to live. Of course you think I will completely agree this page, and with much of I do. Also I do choose not eat much animal product, since much of it makes me very sick. But I think a lot of people do choose to eat meat, and all I have to say is you don’t have to cut it all out just eat less. My mother has heart issues and just cutting out a lot of her red meat diet has help so much. I not asking any to go straight to vegan eating, just try eating less animals more vegetables.

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  • Scott says:

    To me, there is no question that animal flesh is not included in the natural human diet. Imagining the staggering ratio between those that eat meat, and those that slaughter and kill to eat their own meat, it’s somehow hard to believe the act to be anything other than alien to us.

    The question isn’t whether or not we should eat meat; the question instead becomes what exactly should we eat? More specifically, the question should be what is edible — ideally in a natural and unprocessed state — to the natural human? Right off the bat, I imagine this rules out much of vegan and vegetarian diets considering the soybean’s prevalent use in addition to the fact that, in its natural state, it’s toxic to many animals including humans.

    Given that we’re on the PETA website, obviously their messages are fully-saturated with propaganda. But, I believe that the cause is soundly founded and to take it further, we must all question ourselves as to what we’re doing and why we’re doing it. Clearly there’s something amiss with our current state and perhaps it could stem from diet. If we can somehow turn away from factory farming in all regards (plant and animal), and acknowledge and promote a natural diet, we could not only make animal meat worthless but also strive to be healthier individuals in the process.

  • Rudy says:

    After reading “In Defense of Food” and “Good Calories, Bad Calories”, I have to say that the fundamentals this article builds on to support its arguments are EXTREMELY shaky. Heart disease and obesity are not caused by meat and fat. They are caused by easily digestible and too plentiful ingestion of carbohydrates. There are excellent studies on this starting in the 1890’s. Don’t believe what the government tells you unless you can prove it for yourself.

  • Donald says:

    Ok, I just watched a documentary called Fat Head, which is a response to the documentary Super Size Me. Fat Head contradicts almost everything posted on this page, and I’d have to agree with it. I’d recommend watching it with an open mind. There are pieces of information on this page posted as fact, which are actually false. I’m all for the ethical treatment of animals. It just seems so much of the information listed here is propaganda.

  • Maya says:

    My dad always says, “Since you stopped eating meat you are getting sick more often!”

  • Harold says:

    Great post. Very interesting.

  • Bec says:

    @ Ashley T. There is a wonderful vegan restaurant chain – Loving Hut. There are heaps across the world:


    I’m vegan and I’ve never felt better about life. I also prefer gluten free foods, but either way ..


  • Jenni says:

    @Denise – Here’s a link to a gluten-free vegan cookbook from Amazon:

    Also, here’s a list of some websites that have gluten-free vegan recipes:

    I’ve been vegetarian and vegan for over 6 years, and my advice: Eat everything you want to in moderation, don’t ignore your cravings. For example, if you’re craving a bean burrito, your body may be telling you that you need more protein. If you’re craving a milkshake, you may need more calcium, so take a calcium supplement or drink some soy milk. If you listen to your body and don’t gain OR lose much weight, you should be fine. Eventually, your diet will become second-nature, and you’ll be able to easily help others lead healthier veg lifestyles.

  • Ashley T. says:

    There should be a vegan restaurant chain.

  • Denise says:

    I am vegan, not just for preference, but I am allergic to animal products. The problem is, I am also allergic to gluten! Any ideas on where to find a nutritionally sound diet for me?

  • Yes!! says:

    Im only 18 years old and only for the past view weeks have I been researching vegetarianism. Ive been raised eating meat and until recently I thought it was perfectly normal and healthy. Now getting into to all this has me repulsed by the idea of eating animals products. The act of eating meat is ignorant and in a sense, primitive. Im glad to have been this enlightened this early so I can live a longer healthier life and give up animal products for good.

  • HOPE says:

    Great article, this is a proof that eating meat is overrated, and that being on a healthy diet means vegetarian diet. As for weight loss , the diet should be made of fresh fruits and vegetables no meat.