作者:芒果|2017年08月19日 00:16

Blood is blood, right? Well, yes and no. Human blood is made of the same basic elements, but within that realm there are distinctions that account for four different blood types ——further dinstinguished by negative and positive. What makes the four types of blood groups different is their antigens — the immune defense systems — on the surface of the red blood cells.

In 1930, a Japanese professor by the name of Tokeji Furukawa published a paper claiming that the individual blood types — A, B, AB and O — reflected the personalities of those who possessed them. Since then, blood type categorization, “ketsueki-gata,” has become firmly entrenched in Japanese culture. Much like astrological horoscopes, Japanese television and newspapers offer blood type horoscopes, and books that detail the link between blood type and personality are perpetual bestsellers. There are even matchmakers who specialize in finding future spouse based on blood types. But much like astrology, a scientific correlation between blood type and personality remains unproven.
1930年,日本一位名叫古川敬二的教授发表了一篇论文,声称个人血型(A、B、AB和O)反映了拥有这些血型的人的性格。从那以后,血型分类“ketsueki - gata”在日本文化中根深蒂固。和占星术占卜一样,日本的电视和报纸也提供血型占卜术,而有关血型和性格之间的联系的书籍则是经久不衰的畅销书。甚至有媒人专门从事根据血型帮人寻找未来配偶。但就像占星术一样,血型和性格之间的科学关联仍未得到证实。

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.

1.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. 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).
根据“日本血型分类说”,如果你是A型血,你有一些很好的性格特点。你认真、有创造力、理智、有耐心、责任感强 (虽然你同时也较固执,容易紧张)。

2.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.
B型血的人患心脏病的风险相对O型血来说增加11% 。哈佛大学的一项研究发现,AB或B型血的女性患卵巢癌的风险较高。但B型血不全是坏消息。B型血的人比A型或O型血的人要多高达5万倍的有益细菌菌株,它们对健康非常有益。

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.

3.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.

4.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?


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