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, ...

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 ...

You absolutely know couples like this.

Ever wondered why some people are natural-born leaders while others are excellent listeners? Or why you thrive in a bustling, crowded room while your friend prefers a quiet corner with a book? The ...