![]() ![]() (There are actually a bunch of different blood type antigens, but the ABO blood group is the most well known and most important for transfusion and transplant reactions.)Īustrian physician Karl Landsteiner first wrote about blood groups in 1900. These proteins determine your ABO blood type. The surface of your red blood cells contains glycoproteins coded for by the ABO gene. Let me first explain blood types, and then I’ll dig into the different lectins. One of the core ‘science’ issue here is whether eating foods that contain lectins interacts with a person’s blood type, causing an agglutination reaction where the cells clump together. This is at the core of the blood type diet recommendations, and the lectin component is a theory that is still going around today, in one form another. Let’s dig into the heart of the blood type diet science:Įnough of the logical arguments, let’s see what research shows. While individual people may have digestive problems with a specific food, all-in-all these were staple foods that kept our ancestors alive and healthy, passing on their genes to the next generations. ![]() This would indicate that there have been negative health consequences for ~40% of the population throughout history whenever they ate the staple foods of their people (e.g. Take the recommendations for type O as an example: The blood type diet claims people with this blood type should avoid wheat, corn, and lentils because it causes negative health consequences such as cirrhosis. Second common-sense point: Next up is the idea that people with specific blood types should avoid specific foods because it will cause an agglutination (clumping of cells) reaction in their blood. My point is that there has been a nice mix of blood types in different population groups for thousands of years.Ĭommunities and families with different blood types have been eating their meals together throughout history. (data source)Ĭool charts, but does this actually matter when it comes to serving up dinner? Nope. For example, there is a higher percentage of type B+ people who are African American than there are in Caucasian population groups. there are foods you should avoid because they can cause a reaction with your blood typeįirst common-sense point: There is a mix of blood types in all ethnicities around the world, but the percentages vary a bit.your blood type indicates you should eat what your ancestors ate a hundred thousand years ago.Let’s take a common-sense approach to the core ideas, which are: Type O should eat more: kelp, seafood, red meat, kale, spinach, broccoli, olive oil.Type O should avoid: wheat, corn, navy beans, lentils, kidney beans, dairy.The book gets more detailed and gives specific foods to avoid for each blood type. People with type AB should benefit from a mix of the type A diet and type B diet. ![]() Therefore people with type B should eat dairy products. Blood type B supposedly originated in nomadic tribes.People with blood type A should eat more like an agrarian society, which would be more of a vegetarian diet.Blood type O is ancestral, and thus, people with type O should eat a high animal protein diet, as the hunter-gatherers did.The Eat Right for Your Blood Type book essentially says the following: A quick overview of Eat Right for Your Blood Type: The premise of the book is that different ABO blood types can predict your best type of diet. D’Animo, which has sold more than 7 million copies. This diet is based on a popular book from 1996, Eat Right for Your Blood Type by Dr. Fact-checking the blood type diet website (science section).Research studies on the blood type diet.How could a food protein cause a reaction to a blood type?.Let’s dig into the heart of the blood type diet science.A quick overview of Eat Right for Your Blood Type. ![]()
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