From midnight movie marathons to collecting odd artifacts, these traits aren’t just quirks—they’re a lifestyle.

Two-faced people are experts at wearing false faces. They pretend to be excited to see you, but their joy is performative.

Medically reviewed by Michael MacIntyre, MD Cluster C personality disorders include conditions with anxious and fearful thoughts and behaviors. These are avoidant personality disorder (AVPD), ...

Three traits, often called the Dark Triad—narcissism, psychopathy, and Machiavellianism—are commonly assessed to investigate the darker, or more antagonistic and self-interested side of human ...

A pair of psychologists in the U.K. report that there is no scientific basis for the idea that personality traits influence ...

Cluster A disorders are characterized by odd or eccentric patterns of thinking ... they reflect various combinations of multiple underlying personality traits, including extreme levels of traits ...

A Personality Test that uncovers hidden personality traits based on the first-seen image element. You have to find the hidden ...

You won’t have the same ADHD personality traits as everyone with ADHD, but some personal strengths may make having the condition an advantage. Sometimes you may need help harnessing these traits ...