Delusions of grandeur, also known as grandiose delusions, cause false beliefs in personal power or fame. They are common in mental health conditions like bipolar disorder and schizophrenia. If you ...

A shipping clerk begins to think he’s been given a secret task of geopolitical significance. A government employee believes that descriptions of a certain actor in the newspaper are actually about her ...

Delusions are false beliefs held with unwavering commitment despite proof they’re incorrect. Persecutory delusions — the belief that someone plans to harm, harass, or sabotage you — are the most ...

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