In ancient times, Hippocrates of Kos, a Greek physician during the fifth and fourth centuries B.C., and Galen of Pergamon, a Greek physician and philosopher during the second century A.D., divided ...

Traditionally, because we in western culture tend to take a more extraverted orientation to life (as compared, for instance, to India and Asia), introverts have long been prejudicially perceived as ...

Personality types A, B, C, and D group people according to key personality traits. These types may affect many areas of life, including an individual’s health. Essentially, the personality types A, B, ...

Some people believe personality is fixed, but more recent research suggests that personality may develop over time and that people’s personality traits can change. Personality types group people into ...

A new framework translates the zodiac into measurable personality dimensions — and reveals which sign truly matches your psychology.