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 ...

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, ...

The differences between people’s personalities can be broken down in terms of five major traits—often called the “Big Five.” Each one reflects a key part of how a person thinks, feels, and behaves.