Blood type personality is a Japanese concept called ketsueki-gata that posits that blood type shapes one’s temperament. Ketsueki-gata is considered a pseudoscience, a body of thought that appears to ...

Before the Myers-Briggs Type Indicator (MBTI) became a hot topic, South Koreans relied on blood types (A, B, AB and O) as a way to identify personality traits. This blood type personality theory ...

What does your blood type say about you? As it turns out, it can tell you a lot. It's not clear when blood types became the new zodiac signs, but at some point, someone decided that we could find out ...

You know the "type:" So-called “Type A” personalities are hard-charging, determined to compete and to win. Combining traits such as drive and impatience, Type A was once thought to be related to heart ...