Delusional parasitosis (DP) is a rare psychiatric (mental) disorder. A person with this condition strongly believes that they’re infected with a parasite. However, this isn’t the case — they don’t ...

Delusions are beliefs that aren't based on reality, culture, religion, or social identity. The people affected by them can’t be convinced by facts or reason that their delusional belief is untrue.

What Are Delusions of Persecution? At some point, you’ve probably believed something that later turned out to be untrue. But if you have a rare mental illness called delusional disorder, no amount of ...

A delusion is a belief based on an inaccurate interpretation of reality, despite clear evidence to the contrary. A delusional disorder causes a person to have delusional thoughts for a prolonged ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...

When someone has persecutory delusions, they believe a person or group wants to hurt them. They firmly believe this is true, despite the lack of proof. It may occur with some mental health disorders.

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I examine the disturbing aspect that ...

Delusions of grandeur are false beliefs in which people think they are God-like, powerful, or invincible. A person with ...

The distinctions between conspiratorial ideation and delusion-proneness are murky. Indeed, according to the diagnostic criteria for delusional disorder in the Diagnostic and Statistical Manual-5 ...

From calling yourself "delulu" to saying you're in a "delusionship," the word delusional has become a prominent part of cultural slang. But I'm not sure it should be. With these terms being so ...

Delusional parasitosis, or delusional infestation, is a rare psychiatric condition, where a person mistakenly thinks that they have a parasitic infestation. Although doctors find no medical evidence ...