Volatile relationships, reckless impulsivity and an unstable identity are hallmarks of this misunderstood mental health ...

Researchers examined how traits like narcissism and Machiavellianism influence who seeks power—and how they lead.

Stress may be in the mind of the beholder, according to one well-known theory, but for the highly neurotic, new research ...

She said it feels like a war is happening inside her brain: no peace, constant mood swings, rage building up for no reason, irritation, and not knowing where to go or what to do. It feels like an ...

People with high-conflict personalities tend to escalate small issues into major conflicts and struggle to take ...