Most people think of personality traits as set in stone. We consider them to be as fixed as our eye color. For example, you might tell yourself, “I’m just a perfectionist,” or “I’m the type of person ...

People who live longer, happier lives tend to have some commonalities: strong social connections, healthier diets, a positive attitude. They also have high levels of a specific personality trait: ...

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 ...

Your DNA has long been known to play a role in shaping your personality. Now, researchers at Yale School of Medicine (YSM) have taken another step in determining exactly how by identifying a number of ...