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ABO FAN presents information of blood-type personality research and its many applications (plus Japanese comics).  I hope you will enjoy my website!

What's New!

Feed Back Please! (December 3, 1997)   E-mails of feed back (March 3, 1999)

Introduction to Blood Type and Personality (June 22, 1998; Last Update: March 18, 2007)

It was Mr. Masahiko NOMI, a journalist hometown, that made the present Japanese blood-type boom. His first blood-type book, "Ketsueki-gata de wakaru aisho" (Understanding affinity by blood type) became the best seller in 1971. He wrote more than ten books and these became the best sellers or long sellers. After his death in 1981, his son, Mr. Toshitaka NOMI took over. He is now sponsoring "Ketsueki-gata Ningen-gaku Kenkyusho" -- Institute of Blood Type Humanics.

Fact 1:
Dr. Peter J. D'Adamo's books, "Eat / Live Right 4 Your Type" which details the link between ABO blood type and individualized diets, became one of the best sellers in the U. S. A.  He opened his website: www.dadamo.com. Japanese editions are available now.  These books was introduced by several major private TV stations in Japan.

Fact 2:
Mr. Masahiko and Toshitaka NOMI write more than 65 books and more than 6 million copies are sold in Japan.  These books are translated into English, Chinese, Korean and Thai.

Fact 3:
Mr. Masahiko NOMI's most important book: "Ketsueki-gata ningen-gaku" -- Blood type humanics.

Fact 4:
According to the recent surveys, more than 72 (or 75) percents of Japanese people think there are relation between blood type and personality.

Fact 5:
Four major Japanese private TV stations (out of five) in Tokyo broadcasted blood-type programs in 1997 and all five in 2004.  Also in Korea, the movie "My boyfriend is type-B" was released and gathered 1.7m audience in 2005 (Japanese film available).  And major Korean private TV station in Seoul (SBS) broadcasted a blood-type program "SBS Special" in 2006.

Fact 6:
Japanese pedagogy and psychology professor Takeji FURUKAWA studied relation between blood type and character in 1927.

Fact 7:
Not only Japanese but English and French psychologists studied relation between blood type and personality. Reymond B. Cattell in 1980 and Léone Bourdel in 1960.

The Personalities of Each Blood Types (November 23, 1997)

FAQs (November 20, 1997)

• Why only four blood types?
• Are there relation between blood type and personality?
• There are only four blood types. So, are there only four personalities?

Click Here!

Detective ABO FAN -- Solve the Mystery of Blood Type and Personality (March 25, 2007)

First season: As for relation between blood type and personality, results differs by questionnaires. Therefore, it continued to bother researchers. Now, I may have testified the consistent relation, if my reasoning is correct. But I'm not Holmes nor Poirot.
Please judge whether I am collect or not. Take it easy and enjoy my reasoning! It is you that is Sherlock Holmes!

Second season: In the second season, I try to solve the remaining mysteries: 1. Are detected personalities are real or imaginary? Why psychological personality test cannot detect the differences by blood type?  This time, you are Ellery Queen!

Appendix: Any scientific grounds?  Dr. T. Abo: polymorph and lymphocytes / Experiment of brain waves

Click Here!

Hypothesis (March 25, 2007)

• Hypothesis
• Why does the ABO blood type cause the difference of personality?
  • Let's try to inspect the above hypothesis!
• Numerical Proofs
  • Preliminary trial: questionnaire
  • The Secondary trial: questionnaire
  • The Third trial: Raymond B. Cattell's Study
  • The last trial: Japanese psychologist
• The Gene and Personality
• Biochemical Explanation? Part 1 - 4

Click Here!

Also Four Keys to Unravel the Mystery & HLA and Personality Traits

Chrolonigical Table (April 5, 1998)

• The First Blood Type Boom (1971-81) -- Mr. Masahiko Nomi
• The Second Blood Type Boom (1982-88) -- Mr. Toshitaka Nomi and Criticism by Psychologists
• The Third Blood Type Boom (1989 to present) -- From boom to "common sense", fortune-telling, on the Internet and Criticism by Psychologists
• Number of Books and Magazines

Click Here!

The Origin -- Mr. Nomi's Principal Books (April 5, 1998)

Click Here!

Dr. Peter J. D'Adamo' s Book (March  18, 2007)

Fantastic!  Dr. Peter J. D'Adamo had published a really epoch-making book.  With this book, the blood-type-and-personality dispute have been almost settled…  Also type A behavior patterns of CHD.

Click Here!

Data Library (June 1, 2007)

• Post WWII Japanese Prime Ministers
• The U. S. Presidents
• Famous People
• Other Statistics
• Mr. Masahiko and Toshitaka NOMI's Principal Books
• Japanese Books
• English Books
• English Papers
• Japanese Papers & Books

Click Here!

Also Excerpts of Books (June 1, 2007)

• Dean Hamer: Living with Our Genes
• Ann Louise Gittleman: Your Body Knows Best
• Peter J. D'Adamo: Eat Right for Your Type
• R. Grant Steen: DNA & Destiny
• Dr. Jacques Laurent: "4 groupes sanguins 4 personnalités"

Distribution Ratio of ABO blood type in the World (November 26, 1997)

Click Here!

Prof. Matsui's Papers (May 28, 1998)

Finally I obtained the papers of Mr. Matsui (Prof. of Sacred Heart Women's University). They are really fantastic! The data showed consistent results "as expected". Wow!!
However, Mr. Matsui thinks there is no relaiontion between blood types and personality. Please enjoy reading!  Click Here!

Prof. Sakamoto's Papers (May 27, 1998)

As far as I know, Prof. Sakamoto's papers analyized the largest number of samples: more than 30,000 people using the random sampling method. Of course, they showed the clear difference between blood types.  But Mr. Sakamoto said "blood-typical stereotypes" caused the difference, not blood types themselves. So he think there is no relaiontion between blood types and personality. However...  Click Here!

Ms. Watanabe's Papers (March 18, 2007)

Ms. Yoriko Watanabe's paper is very epoch-making.  In short, knowledge of blood type and personality ("blood type stereotypes") doesn't influence his/her answers of personality questionnaire.  So, the difference is "real" not "blood type stereotypes".
Also wonderful differences appear unless one does not use psychological personality tests.  Click Here!

Blood-type Scores (May 30, 1998)

Reading Prof. Matsui's paper and Prof. Samamoto's paper, I think principal component analysis or discriminant function is suited for analyzing the data.  But I found no such papers -- even now.  Why?  So I'm going to try!  Click Here!

Prof. Saitou' Papers (June 24, 1998)

There seems to be some interesting and new findings. Click Here!

• Allelic nucleotide differences for the human ABO genes correspond to several million years.
• Comparing human and nonhuman primate ABO alleles, at least three independent appearances of B alleles from the ancestral A form.
• Alleles O are identical to alleles A except for the single nucleotide deletion, which suggests appearances of O alleles from the ancestral A form.

Prof. Ohmura and Cloninger's Personality Dimensions  (March 18, 2007)

Professor Ohmura who is famous honorary professor of Nihon University, once said the he got consistent results using Cloninger's Personality Dimensions.  Though the results was televised twice in 2004, no articles shown -- till now.  Why?  Click Here!

Introduction to ABO diet -- Japanese Style (August 16, 1998)

Here is an ABO diet by Toshitaka Nomi (Type A) and Shoko Hamada (Type B)

Introduction to "ABO-international ML" --experimental, so far (June 4, 1998)

A mailing list for blood-type personality research and its many applications. Click here!

About "From U.S.A."

An e-mail from U. S. A. completely changed my home page. This is very exciting for me. Click here!

Raymond B. Cattell's Study

Famous psychologist, Raymond B. Cattell's study shows the clear relation of blood types to personality traits. Click here!

Results of The ABO System

• TYPE-AB is more self-sufficient and group-independent (probability < 5 percents)
• TYPE-A is more anxious than TYPE-O (probability < 1 percent)

Excerpts from "The relation of blood types to primary and secondary personality traits." The Mankind Quarterly, pp35-51, Vol. 21, 1980.

SUMMARY

A sample of 323 Caucasian Australians was chracterized with respect to 17 genetic systems (7 blood groups, 5 crythrocyte enzymes and 5 plasma proteins) and 21 psychological variables (16 primary and 5 secondary personality factors). The mean age corrected psychological scores were determined for each phenotype and comparisons within systems yielded 13 significant differences a to .05 level and 11 at .01 level. The most conclusive finding occurred in the P system: the four primaries producing differences a to .01 level (C, H, Q3, and Q4) are those entering into the second order anxiety factor QII, which yielded the greatest difference observed in the study (p<.001).

Donald A. Swan's Study (December 28, 1997)

Donald A. Swan's study shows the clear relation of blood types to personality. Click here!

Results

• TYPE-AB is more "tense" than the other (probability < 1 percent)

Excerpts from The relationship between ABO blood type and factor of personality among south Mississippi 'Anglo-Saxon' school children" The Mankind Quarterly, pp.205-258, Vol. 20, 1980.

V. V. Jogawar's Study (December 30, 1997)

V. V. Jogawar's study shows the clear relation of blood types to personality. Click here!

Results

• TYPE-B is more "emotional" than the other

Excerpts from "Personality correlates of human blood groups." Personality and Individual Differences, pp. 215-216, Vol.4, No.2 ,1983.

Articles of Nature Magazine 1983-1984 (January 10, 1998)

Excerpts from the following two articles that caused great sensation in the world. They are taken up frequently by both denial debaters and affirmative ones. The first articles in 1983 and five objections to it in commentary in 1984 with the objection from Beardmore.

• Beardmore, J. A. & Karimi-Booshehri, F. ABO genes are differentially distributed in socio-econimic groups in England. Nature, 303, pp. 522-524, 1983
• Beardmore, J. A. & Karimi-Booshehri, F. Blood group and socio-economic class. (Commentary) Nature, 309, pp. 395-399, 1984

Study in Taiwan (March 18, 2007)

To my surprise, I find a blood type study in Taiwan!
Dr. Wu, the author, is a professor of medical college in Takao prefecture, Taiwan.
NEO - PI - R test itself cannot detect the differences of blood type -- maybe.  Click here!

Information from  Korea (June 20, 2008)

 The latest study done by Young Woo Sohn, Yonsei University Professor (psychology), is really epoch making!
<Seoul, Yonhap News Agency> As a result of putting many blood-type personality studies together, type O is tend to be extravert, while type is A introvert.  In most studies, type A is logical and emotionally stable, but type B -- in comparison with other blood types -- is sensitive.  Click here!

World Sites

www.dadamo.com (November 16, 1997)

The author of the book "Eat / Live Right for Your Type" which details the link between ABO blood type and individualized diets.  Home blood test kit available!

Puget Sound Blood Center (February 16, 1999)

More knowledge of blood is available here!

www.bodyredesigning.com (March 3, 1999)

Mr. Joseph Christinano's website. He is one of the authors of "The answer is in your blood type". Home blood test kit available!

<Japanese Sites>

ABO WORLD / NPO Human Science ABO Center -- English available (March 18, 2007)

Late Mr. Nome established the non-profit organization to promote ABO human sciences by holding lectures, seminars etc.  Mailing list and BBS are available (in Japanese)

THE BLOOD GROUP MAY SAVE THE HUMAN RACE (March 18, 2007)

A friend of mine started his website.  Blood type lists of many people (including non-Japanese people) is available.

Anime Resource List (November 23, 1997)

Collection of ANIME-Related URLs

Home Page in Japanese

E-mail: abofan@js2.so-net.ne.jp