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Medically reviewed by Kathleen Daly, MD Key Takeaways Narcissistic personality disorder involves inflated self-worth and a ...

HAMBURG — What is “normal” and what isn’t? This question is constantly being renegotiated in psychology. And sometimes, the boundaries shift, as they are now. What is considered a personality disorder ...

Whether it is politics, sports, entertainment, or relationships, a term being bandied about with great frequency these days is “Narcissistic Personality Disorder (NPD).” It is being used so casually ...

Before you go chalking someone's behavior up to their quirky personality, you may want to consider if something deeper is going on. Many people in older generations grew up believing any form of ...

Borderline personality disorder (BPD) may cause challenges in establishing and maintaining stable relationships. People with BPD may cycle between extremes of idealizing and devaluing others. Research ...

Charlotte Entwistle has received funding from the Engineering and Physical Sciences Research Council (EPSRC) and Leverhulme Trust. Is it possible to spot personality dysfunction from someone’s ...