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Blood Type and Your Personality

We've heard about the school of thought that says blood type should dictate the kinds of foods we should eat, and there's also an idea that blood type defines our personality. A popular presence in Japanese culture, the topic was the subject of four books which were rated among Japan's top 10 bestsellers for the past year.

Much like the way eating for your blood type tells you to eliminate certain foods and eat more of others, the philosophy around blood type and personality says your blood should play a role in the jobs you take and the people you date. Japanese TV offers blood horoscopes, while employers may use blood type in hiring decisions and dating agencies include this information in their profiles.

The Guardian found a few examples of blood type and personality; to find out what your blood type might say about your personality


  • Type A: Reserved and prone to worry, sensitive perfectionists such as Britney Spears and Adolf Hitler.
  • Type O: Decisive, self-confident, curious, and ideal for sport, including Elvis Presley and the Queen.
  • Type B: Cheerful, caring, flamboyant free-thinkers such as Jack Nicholson.
  • Type AB: High-maintenance, distant, suited to arts, such as Mao Zedong.

What do you think of the idea of blood type affecting personality? Do you buy it?


Join The Conversation
sharshar sharshar 8 years
I'm a type B and the description fits me, but I don't buy the blood personality theory.
ilanac13 ilanac13 8 years
i don't think that you can really show a relationship between blood type and personality. it's kind of like one of those random things that people will buy into if they really believe in astrology and all that. sometimes people just need to have something to believe in as a guiding factor and i guess if this is what they choose to follow - then ok.
tatsauce tatsauce 8 years
AB+ what what
mademoiselle2009 mademoiselle2009 8 years
what about A- ?? apparently i'm either britney or hitler....hmmm hahah
tlsgirl tlsgirl 8 years
twinkles - just donate blood. They type it for you. It's how I find out what mine is, and it's free (good for us uninsured people).
twinkles twinkles 8 years
I've been trying to find out my blood type for months! My doctor doesn't have it on file (and I'm not insured right now, so I can't go get it done), and none of the drugstores carry at home testers. I had blood drawn a couple of months ago and asked the phlebotomist to type me, and she promised she would, but when I called for results, the test had never been done! ARGH! It's so frustrating not to know...
runningesq runningesq 8 years
BUNK! ... but I find it funny that people believe in horoscopes ... how does the month you were born affect your personality any more than your blood type? :hmm:
Spectra Spectra 8 years
This is so vague. There are only 4 blood types, so you have to lump a lot of people under one category. So it's not going to be an accurate test at all...I'm type O and I'm not always self-confident or good at sports, but I'm pretty decisive. It just seems like if you find one random thing under your blood type, you think "Oh yeah, that's totally me". So yeah, I don't buy it.
crayolasky crayolasky 8 years
LOL, seriously... Britney Spears and Hitler!? Brit isn't so bad but .... HITLER? This has to be wrong! Although I do find "eat right for your blood type" to be fairly legitimate. Hmm.
Soniabonya Soniabonya 8 years
:rofl: Joghog, i nearly spat out my tea when I read mine. I don't want to be associated to crazies through blood type. I wonder if it being + or - changes a thing on the personality chart? I know it's big in Japan. You get any anime characters background info and one of the first things is star sign and blood type, and they do make the characters pretty close to what they believe the blood type personalities are.
margokhal margokhal 8 years
I think I have AB...I did it on my own in our hemo lab in high school...don't know how accurate that is. I'm about to start grad school in psychology - don't think that this is true at all. But it's fun to think about!
bethinabox bethinabox 8 years
I don't buy this. I definitely don't fit the type O description.
lawchick lawchick 8 years
I have no idea what my blood type is
joghog joghog 8 years
Gee, I love being compared to Britney Spears and Adolf Hitler first thing in the morning... =0)
tlsgirl tlsgirl 8 years
Total crock of ****.
longhornlass04 longhornlass04 8 years
Wow, i'm nothing like the type a blood type personality. not even remotely close.
starangel82 starangel82 8 years
You should find out what your blood type is judie... it's important to know.
judiesjuice judiesjuice 8 years
I'm amazed that people are aware of their blood type. I have no idea what mine is.
mks0880 mks0880 8 years
I have a PhD in psychology and can assure you that there is absolutely no link between personality and blood type. What a crock!!
teegaall teegaall 8 years
Hmm. I'm type O like my dad and that description fits us. We have trouble deciding what to order at restaurants when looking at the menu but we aren't the type to switch once the server leaves with our orders.
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