B negative blood type origin8/6/2023 ![]() However, there are specific foods that should be avoided by people looking to follow a B positive blood type diet or a B negative blood type diet. The B blood type diet is diverse and rich in meat, dairy, fruit, vegetables, and grains. By following a B blood type diet, they can live long, happy, and healthy lives. They are not as susceptible to many of the diseases that plague other blood types. Overall, type B people are strong, fit, and mentally balanced. Diets high in certain toxins and lectins can increase cortisol levels, leading to disease and inflammation. Type B people are flexible and fluid but are also prone to producing high levels of the stress hormone cortisol. Therefore, the B positive blood type diet and the B negative blood type diet include both vegetable and animal foods. They adapted from being strictly herbivorous to eating mostly dairy and meat products. Here we can start to understand the role of the blood type diet. As you look further west, the B blood type can be found in people of Asian nomadic migration. The B blood type is most common in Pakistan, India, Bangladesh, Korea, Japan, China, Mongolia, Thailand, and China. Their livelihood depended on domesticating animals, and so they ate a lot of dairy and meat. It first appeared in India and in the Ural region of Asia, where there was a mix of Mongolian and Caucasian tribes.īlood type B soon became a characteristic that defined tribes of steppe dwellers as they moved through Asia. It is believed that blood type B started as a mutation in response to climate change. In order to fully understand why certain foods should be avoided or eaten on the B positive blood type diet or the B negative blood type diet, it’s helpful to understand how this blood type evolved.Ī large migration from the hot climate in Africa to the cold climate of the Himalayan highlands-what is now part of India, Nepal, Tibet, and Pakistan-caused quite a shock to blood type A people. RELATED: Be Your Healthiest With the B Blood Type Diet History of B Blood Type Here, we’ll learn all about the blood type diet: B. Certain foods that are ideal for one blood type may lead to weight gain and disease in another. It seems logical, then, that the four blood types respond to different foods in different ways. It is believed that each blood type hints to a different but rich history, including where your ancestors came from, what climate they lived in, what they did for a living, and what they ate on a daily basis. These clues strengthen the hypothesis that low genetic diversity together with low reproductive success contributed to the disappearance of Neanderthals.Your blood type provides a general look into your ancestral history. It confirms that these ancient hominins exhibited very little genetic diversity, and that they may have been susceptible to haemolytic disease of the fetus and newborn (erythroblastosis fetalis) - due to maternofetal Rh incompatibility - in cases where Neanderthal mothers were carrying the children of Homo sapiens or Denisovan mates. Do these two individuals bear testimony to interbreeding of Neanderthals and modern humans before the migration of the latter into Southeast Asia?įinally, this study sheds light on Neanderthal demographics. Extensive analysis covering other blood group systems turned up alleles that argue in favour of African origins for Neanderthals and Denisovans.Įspecially surprising is the discovery that the Neanderthals harboured a unique Rh allele absent in modern humans - with the notable exceptions of one Aboriginal Australian and one Papuan. While it was long thought that Neanderthals were all type O - just as chimpanzees are all type A and gorillas all type B - the researchers demonstrated that these ancient hominins already displayed the full range of ABO variability observed in modern humans. The findings bolster previous hypotheses but also offer new surprises. Of the 40-some known blood group systems, the team concentrated on the seven usually considered for blood transfusion purposes, the most common of which are the ABO (determining the A, B, AB, and O blood types) and Rh systems. In a new study, scientists from the CNRS, Aix-Marseille University, and the French Blood Establishment (EFS) have examined the previously sequenced genomes of one Denisovan and three Neanderthal females who lived 100,000 to 40,000 years ago, in order to identify their blood groups and consider what they may reveal about human's evolutionary history. Yet blood group systems were the first markers used by anthropologists to reconstruct the origins of hominin populations, their migrations, and their interbreeding. Despite prior sequencing of about 15 Neanderthal and Denisovan individuals, the study of the genes underlying blood groups had hitherto been neglected. The extinct hominin lineages of the Neanderthals and Denisovans were present throughout Eurasia from 300,000 to 40,000 years ago. ![]()
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