Blood Type Diet Debunked


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  • Why are people such suckers to belive the Blood-Type Diet, the Atkins Diet, the Paleo Diet, Wheat Belly, Grain Brain and on and on ad nauseum. Because deep inside they know we should not mistreat animals, and it's bed for us to eat animal products, and bad for the animals, the wild animals, destructive to the environment. So they hoist this flag, and salute it: "People need meat to be healthy!" (Lie!) In spite of all the evidence to the contrary, healthy long lived vegans, scientific proof. Like Jesus said in the parable of Lazarus and the Rich Man: Even if one were to raise the dead, they would not believe (the truth). They just want to believe the lie, go on doing as they like, and pretending to be right.

  • Nutrition and Health – The Association between Eating Behavior and Various Health Parameters: A Matched Sample Study 'Vegetarians in our study suffer significantly more often from anxiety disorder and/or depression. Additionally, they have a poorer quality of life in terms of physical health, social relationships, and environmental factors.' please do a video on this Dr Gregor
    Personally if I don't eat some grass fed beef 4 or 5 times a week, I suffer from depression

  • THANK YOU!  Thanks to Dr. Gregor and  And thanks Norway!  I appreciate the affirmation.  After observing the Blood-type diet for 6 weeks, I had a feeling (many, physically "poor" feelings, actually) that something was "off."  This post was the tipping point that FREED me from this madness.  Whew.  Cheers!  Here's hoping your goodness returns to you.  

  • (  .59) " … has not been assessed in 'previous scientific literature' ", this just means "it's a new perspective".
    (1.09) " … a day-long scientific seminar" "… had to believe they'd even take the time …". if you had "taken the time to research the book, or for that matter your own review …"
    But, in the book, there is mention of blood tests that show (such as the Indican test that tests the blood for the amount of agglutination) the actual amount of lectin (Lectins are a type of protein that can bind to cell membranes. They are sugar-binding and become the “glyco” portion of glycoconjugates on the membranes. Lectins offer a way for molecules to stick together without getting the immune system involved, which can influence cell-cell interaction.) agglutination in the blood caused by the blood types as they're mixed with different food lectins. This review and most of the comments made on this review have no mention of this and other tests mentioned in the book? It is easy to defend "moralistic" dietary practices and any other practice if "you don't even read the material you are critiquing". Do the Indican test on yourself. See the results for yourself. I guarantee 90% of the people commenting on this very page are ignorant as to their own blood type! Please, prove me wrong? I have been researching the book and my blood type and have found that it is spot on (i am almost sixty, i practiced a vegetarian diet for 35 years! i feel that i based my diet on "moralistic" grounds of "not killing animals", and have found that i wish i had instead continued to believe in Santa Claus as religion, spirituality and the like have "nothing" to do with our human eating requirements). Of coarse, there are specific blood anomalies that are not studied in the book and are also exceptions within general health per se, however, bye and large  the measurement of blood agglutination is accurate and is not mentioned in this video, thus the video is not based on an accurate assessment of the work reviewed, witch leads me to believe the author of the review is skewed towards his own opinion and is not actually informed as to the contents of the book. All i'm sayin is read it and then do the simple test and then make a comment or else, Santa Claus is coming to town and he ain't bringin no "presence". Keep it real people!

  • Blood type diets (like so many other make it up as you go belief based ideological fads such as low carb and/or 'vegan' diets, be they fully raw, raw til 4, 80/10/10, juice, fruitarian, etc… Given that 'vegan" is a socio-religio-politcal ideology and NOT an optimally healthy regimen ) are such utter nonsense.
    For all of the desperate to believe folks showing up as their pet fad is going down in flames:
    Forgo the make it up as you go belief based fads so common among self-anointed nutritional gurus. If you seek objectively vetted scientifically based optimally healthy diets familiarize yourself with the work of Caldwell Esselstyn, T. Colin Campbell, John McDougall and the research summaries at regarding an optimally healthy complete balanced whole food plant based low fat (no oil) low sugar regimen.

  • Wow, the efforts you make to "debunk" a diet is a really good proof for how it must work. It must be a real threat to Big Pharma and other industries. I won't buy this, because it works and keeps me healthy. You are just a propaganda channel, trying to irritate immature people, trying to get their lives straight.
    I am also sure that NOBODY here, maybe a few, have ever tried it out. They are all big mouths and believers. No guts.

  • The blood type diet does not take into consideration personal beliefs or cultural beliefs! I'm a Type B and a vegetarian by choice. The blood type diet says that I'm not supposed to eat avocados, most nuts and seeds, coconuts, tofu, and wheat so I'll literally be consuming no protein or good fats at all. And I will not go back to eating meat (especially not deer or rabbits like the diet suggests), it is not an option for me because it is against what I believe in

  • I have used this diet and it works for me, too bad people can't have open mind about it, everyone different, I am blood type A and before this book came out I had learned thru my life that eating certain foods made me feel better than other foods, once I read the foods that I should be eating it mostly lined up perfectly with my blood type, so I know first hand there is something to this, if people would take notice how some foods do make you have more energy and some sap your energy it would make sense to them to at least review the best foods for your blood type. I still eat meat and all foods but I can tell when I have went off the food guideline and at 54 have more energy now than when I was mid twenties when I had no idea what to eat.

  • …I don't trust anything you so called medical professionals say because 17% of people DIE by medical mishaps so all those fancy words and titles you have are overrated!

  • This is based in evolution not truth. God created food to be eaten, now that doesn't mean we shouldn't eat according to our problems or illness, this is not equated to eating by blood type.

    And He made from ONE BLOOD every nation of mankind to live on all the face of the earth, having determined their appointed time and the boundaries of their habitation, that they may seek God and perhaps they might grope for Him, and find Him, though He's not far from each one of us. Acts 17:26

  • You presented no proof that the diet doesn't work. You only presented proof that his findings have not been published and speculated that lack of published results equal fraud. That is opinion not fact. Now I am not saying that I agree with the idea of eating right for your blood type as we have intermingled over the years of creation. I do firmly believe that we evolved from Hunters and Gatherers. We are instinctively pescetarian, vegetarian, vegan, and omnivore do to geographic location and access to food resources that were primarily indigenous. We didn't have a vast buffet of options prior to the industrialization of the world on the open market of trade, and so on and so on. I eat what my body craves. If it is in line with my blood type in accordance with this mans study then great if it doesn't then I think he has simple neglected the fact of the intermingling of blood types which in turn would have dominant and recessive instincts. WE are born with certain instincts and inclinations that simply can't be washed away with social conditioning. My Grand parents ate soul food. animal parts and full of lard. If i attempted to eat it now i would gag. I instinctively desire fish and fowl, light protein with little to no fat at all. opposite to my social upbringing. So before you attempt to throw the man under the bus for superficial reasons, you might want to truly reevaluate your motives. You sited some excerpts form the article that called people ignorant for even considering the blood type diet. After reading my response do you still think people are so ignorant in their openmindedness?

  • What about lectin sensitivity? This VIDEO is a CRASS fraud. OF COURSE any main stream author would NEVER be allowed to release information to the masses on how to put cancer in remission, the FDA and medical industry that thrives on cancer would NEVER allow that! My family and I and many others I know can vouch for this eating plan. I already eating organic Vegan and simply avoiding the foods that are not good for my blood type has improved my health 10 fold!

  • I can testify that in the 2 months I have been on my blood types diet I have seen my health transform. I was eating clean and working out before yet my body was not changing my health was not improving and making the switch radically changed everything. Try it before you try to debunk it.

  • go ahead and eat meat when u have type A and I promise u will end up with colon cancer or other strains of it. etc. lots of people I know including family members have died of cancer with blood type a continuing to eat meat etc….

  • I remember when I borrowed a friend's copy of that book. It was fascinating to read and I showed it to my father who is a doctor for his opinion. He was quite angry and would have thrown the book out of the house if it was my own personal copy. The reason why he said was, "these so called doctors are preying upon the uneducated population for money." Years before that he explained to my family the theory doctors were spreading around that wine is good for your health. Drinking plain grape juice (or better yet, just eat the grapes) gives the same health benefits but the wine companies wouldn't get their sponsors that way. I tell you guys…. something is going on with the integrity of our healthcare. Keep your eyes open.

  • Someone actually said to me: "O types CAN'T be vegan"… and as an O type vegan who feels better than ever before on a vegan lifestyle, I was skeptical. So who do I come to? Dr. Greger! Thanks!

  • I am scientifically educated and I think the Diet needs much more research. The results based on people going on the diet for a short time? How does that factor in long term results for disease prevention. Not one of the debunking videos hosts has even mentioned the word lectin. They are making rash assumptions and conclusions based on a few scientific studies, just like they, the debunkers are claiming the Blood Type Diet author Peter D'Adamo does. The red flag for me was not actually even delving into Lectins and If they (lectins) do get into the blood after digestion or if they are destroyed first by enzymes, acids, or digestive gut bacteria. The best argument I have heard was that the test showing the blood agglutinating to lectins in foods was in in vitro not in vivo. Lectins have to be a factor that must be researched more. It seems the debunkers and the pro blood type diet people are more concerned about money than real science and finding out the truth. I still side mostly with the blood type diet because I have studied it enough to no that it has to be partly true. I can also tell without a scientific test that the having or not having blood antigens and blood antibodies has a profound effect on immunity and what parasites are more likely to cause problems.
     My blood type is type O neg and I am a non- secretor meaning I do not secrete antigen in my saliva, mucus and other body fluids which would be an immune boosting advantage for foreign microbial invaders. By just the non food blood typing I have learned about my self why I have a weak immune system to small parasites ie virus and bacteria.

  • D'Adamo's O type diet avoids whole grains a vital source of manganese which he admits that "a surprising amount of chronic joint pain (especially the lower back and knees) in type O has been helped by a short period of manganese supplementation " But says only take it under the guidance of a doctor – its toxic! I prefer my manganese in whole grains thanks Dr.

  • Hey guys, The best success that I have ever had was with Marks magic method (i found it on google) Without a doubt the most incredible diet that I have ever tried.

  • You can think whatever you want about Blood type diet – it's your right. But it has worked for me way better than a low-fat whole-food Vegan diet. I eliminated all processed crap already few years ago and still didn't see much results in terms of energy, mental clarity and overall health. Then i removed few of most problematic foods for my blood B type according to BTD and honestly my health and metabolism improved greatly over course of few months. It works!

  • I lost 50lbs effortlessly on the blood type diet. And speaking of no evidence. There is little evidence to back up my IBD and Addisons regimen. But here I am, IBD in remission and cortisol back in normal range. The fact that I havent dropped dead from adrenal failure is good enough for me.

  • Lol, I was 140kg December 2015, followed a type A+ diet and went down to 73kg by June 2016. Definitely worked for me.
    This is yet another ploy to tarnish truth, his results aren't "released" because he was probably told to shut up about it. The BTD has changed my life around, along with Dr. Sebi's (acceptable) electric foods, intermittent fasting, and loads of fruit.

  • OH GET THE FUCK OUT OF HERE TRYING TO DESTROY AGE OLD STUDIES AND LIVIBG PROOF AS A LIE SIMPLY BECAYSE SOME PAID OFF SCIENTISTS DIDNT SIGN OFf ON IT. Japanese have on average iQ of 130 and your iQ is clearly around 100. Ill trust THEIR LIFE STUDIES on Blood Type Lifestyle….rather some fools found it in a science lecture book or not. FOH STFU. Waste of a listen

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