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How Blood Type O Affects Your Personality and Life

What makes blood type O so unique?

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Karl Landsteiner was the first one to classify the human blood into 4 well-known types in the first decade of the 1900s by Karl Landsteiner, an Austrian physician. There are four different blood types: A, B, O, and AB. Each of the types differs from others based on the antigens present on the surface of red blood cells and A and B antibodies in the plasma. These antigens explain the effectiveness of your immune system.

Type O blood is unique because it has neither A nor B antigens in the red blood cells but has both A and B antibodies in the plasma. Type O+ is the most common blood type  and is found in 37% — 53% of people in different ethnic and racial groups. Do you know around 43% of Americans are type O?

It’s important to know one’s blood type for emergency situations, like donating your blood to save a person’s life. However, blood characteristics are also interesting determinants of your health, fortune, and personality as well.

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In 1930, Japanese professor Tokeji Furukawa identified from his study that each blood type reflects the personality of a person who possessed it. This led to the popularity of the term “Ketsueki-gata”, which refers to personality analysis based on the blood type of a person.

This post focuses on the Blood type O, which is the primal type of our ancestors who were cunning, aggressive predators. Some popular people with this blood typ are Gerald Ford, Mikhail Gorbachev, John Gotti, Crystal Kay, Queen Elizabeth II, John Lennon, Paul Newman, Elvis Presley, and Ronald Reagan.

Related: Find out What Your Blood Type Reveals About Your Personality

Read on to know how this blood type can influence your life.

Universal donors

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If you are O+ blood you can donate your blood to all 4 groups, but only to people with the RH positive subgroup (O+, A+, B+, AB+). O- type is a universal blood type that is always needed for emergency blood transfusions. Type O- blood is useful in saving the life of a patient before the crossmatch test is completed. Even when O- blood is in short supply, it can be substituted with O+ blood.

Also, O- blood is considered to be the safest for newborn babies whose immune systems are weak. But, O+ blood type people can receive blood from people with both O+ and O- types. On the other hand, O- blood type people can only receive the same O- type blood.

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Personality traits

In Japan, the influence of blood type on people’s traits and character is so popular that it is used for crafting blood type horoscopes and romantic compatibility charts. That’s not all, Japanese video games mention characters’ blood types.

The Japanese believe that O blood type people are very passionate, generous, and friendly. They tend to be loners or leaders and are intuitive, focused, self-reliant and daring. They prefer to live in a peaceful or friendly environment. However, when they are under stress they may become angry, hyperactive, and impulsive. 

Related: The Four Temperaments Test: What Is Your Four Temperaments Personality Type?

Stress can be caused by excessive anger and hyperactivity. People with this blood type are more vulnerable to destructive behavior when they are overly tired, depressed, or bored. This can include gambling, seeking excitement, risk-taking, and impulsivity.

Influence on work

In Japan, this blood type has long been associated with a particular type of personality. Japanese people are often asked about their blood type when interviewing for a job! People with blood type are most often described as a responsible, committed, organized, focused, conscientious, and practical.

It is believed that they can orient better and they are better logicians. That’s because their ancestors were hunters who had to observe and accurately evaluate the environment, in order to be able to survive.

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wow, I am glad I… Read more »

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Louisa Davis
Hi there! I'm just a normal person enjoying the process of life. Practicing Buddhism, I believe in the law of cause and effect. Reading and writing is always a pleasure. I enjoy researching on a range of subjects – science, psychology, and technology. Nothing can satiate my soul than good music, horror movies, psycho-thriller, and crime stuff. I enjoy photography, music and watching comedy videos. Talking to people, learning new experiences, sharing my knowledge through blogs, motivating others are things that I always look forward to.
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