What’s your blood type?
Chances are, if you’re from North America, you had to think about that for a little bit. I get it – outside of medicine, most of us pay very little attention to the subject.
But things are quite different in Japan. Back in World War II, Japan based battle groups on blood type. In 1990, Japanese electronics company Mitsubishi created an entire team of only AB blood type workers. Today, kindergartens in the country group kids by blood type and have distinctly different education plans for each.
You see, the Japanese believe that one’s blood type has a direct impact on their personality and abilities in a number of areas. This belief came about thanks to the work of blood type humanics pioneer Masahiko Nomi in the 1970s.
What This Means For You
What follows is a quick rundown of each blood type and the purported characteristics for each.
Blood Type A
Individuals with type A blood put others first. They’re great listeners and make for excellent friends. What they’re not so good at is expressing their own emotions – they’d much rather bottle things up and cater to the needs of others. Over time, this can lead to issues like depression and anxiety.
Type A individuals excel as accountants, librarians, attorneys, economists and writers. In love, they are most compatible with other type A individuals or AB ones.
Blood Type B
Those with type B blood are what you’d call extroverts. Like type A individuals, they make for great friends and listeners – but not at their own expense. To the contrary, they have little problem expressing their own emotions and putting themselves first when necessary.
Type B individuals are highly tuned to body language and can read others very intuitively. Because of this, they make for great psychiatrists, detectives and journalists. In love, they get along well with other A individuals or AB ones.
Blood Type AB
This is the rarest and most spiritual of all blood types. Individuals with this type of blood are also very rational and level-headed. They are excellent at planning and organizing. Type AB individuals tend to over-produce hormones like adrenaline, leading to very high and intense moods. They excel in public relations as well as managerial and educational positions.
In relationships, they get along well with all blood types.
Blood Type O
This is the most common blood type. Type O individuals crave power. They’re very competitive and tend to focus more on making progress than making friends. Because of this, they are very proficient in leadership positions.
They excel as accountants, politicians, businessmen and women as well as therapists.
Within each of the types above, there is a smaller subset known as Rh-negative. Only 15% of the U.S. population has Rh-negative blood. If you are Rh-negative, many of the characteristics of your primary blood type will apply, in addition to a few extra.
For example, Rh-negative individuals have a higher IQ than average as well as intense empathic qualities. They usually have many unexplained phobias. They can get along well with individuals of any other blood type but when it comes to reproduction, caution must be taken if their partner is Rh-positive. Medical injections of Rh immune globulin will prevent Rh-incompatibility, where the mother’s body attacks the fetus.
Read more about Rh-negative blood here.
So, what blood type do you have? Did you find the personality reading for it accurate? Let us know in the comments!
Rh Negative Registry
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That said, there’s been plenty of research detailing how blood types can reveal patterns of personal health — and that's fascinating in and of itself. It’s thought that different blood types may protect us from different diseases; scientists have been finding links between blood types and illness since the middle of the 20th century. With that in mind, here’s what the science has to say about your blood type. And for fun, we’ve thrown in a little ketsueki-gata as well.
If you have blood type A
Type A only has A antigens on red cells and B antibodies in the plasma; if you have type A blood, you can donate red blood cells to types A and AB.
The makeup of a person’s antigens on red blood cells can determine how much of a certain hormone gets released. If you have type A blood, you're more likely to have higher levels of the stress hormone cortisol in your body, according the National Institutes of Health. There are a number of health risks that are associated with type A blood, such as a 20 percent higher chance of developing stomach cancer compared to types O and B, and a 5 percent increased risk for heart disease compared to those with type O.
In addition, if you have type A blood, you are at higher risk for several types of cancer, such as some forms of pancreatic cancer and leukemia; according to the BBC, you are also more prone to smallpox infections and severe malaria. Ironically, those with type A also have been found to be less magnetic to mosquitoes — so there's reason to rejoice!
According to ketsueki-gata, if you have blood type A, you have some great traits. You are earnest, creative, sensible, reserved, patient and responsible (even if you are also stubborn and tense).
If you have blood type B
If you have type B blood, you only have the B antigens on red cells and A antibodies in the plasma; you can donate red blood cells to those with types B and AB blood.
Those with type B have an 11 percent increase in risk of heart disease over those with type O. A study at Harvard University found that women with AB or B blood have a raised risk of developing ovarian cancer, but if you have type B, it’s not all bad news. Those with type B blood have up to 50,000 times the number of strains of friendly bacteria than people with either type A or O blood, which means all kinds of good things.
And in terms of ketsueki-gata? You can be proud of your passion, active nature, creativity and strength. On the other hand, you’re also selfish, irresponsible, unforgiving and erratic.
If you have blood type AB
Those with AB blood have both A and B antigens on red cells, but neither A nor B antibody in the plasma. If you have AB positive blood, you are universal plasma donor.
People with type AB have been found to have a 23 percent increased risk of heart disease over those with type O blood. Having AB blood may double the liklihood that a pregnant mother will suffer from the blood pressure condition called pre-eclampsia.
One intriguing blood type study published in the journal Neurology found that those with type AB blood were 82 percent more likely to have cognitive difficulties — specifically in areas like memory recall, language and attention — than people with other blood types. The researchers suspect that the clotting protein known as coagulation factor VIII is to blame. “Since factor VIII levels are closely linked to blood type, this may be one causal connection between blood type and cognitive impairment,” said study author Mary Cushman.
When it comes to ketsueki-gata, if you have type AB blood you're cool, controlled, rational and adaptable … and critical, indecisive, forgetful and irresponsible.
If you have blood type O
If you fall into the O blood group, you have neither A nor B antigens on your red cells, but both A and B antibodies in your plasma. O positive is the most common blood type; O negative is the universal donor type, meaning those with this blood type can donate red blood cells to anybody.
For those with type O, it’s a mixed bag. If you have type O, you are more likely to get ulcers — and believe it or not, to rupture your Achilles tendons. You are also at higher risk of cholera. The good news is that people with type O blood are at a lower risk for pancreatic cancer and face a lower risk of dying from malaria than people with other blood groups; that said, if you have type O, you are twice as likely to be a mosquito magnet than those with type A blood.
If you have type O blood, ketsueki-gata suggests that you are confident, self-determined, strong-willed and intuitive; unfortunately, you are also self-centered, cold, unpredictable and potentially a workaholic.
Do you know what your blood type is? Does any of this ring true to you?