All had suffered through a first episode of psychosis and were either experiencing or had experienced clinically significant delusions in the past. People whose delusions were related to substance use ...

Dozens of doctors and therapists said chatbots had led their patients to psychosis, isolation and unhealthy habits.

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 ...

People experiencing delusions during an episode of psychosis may be "living out" a deeply held emotion, according to new research that provides a "radically different perspective" on one of the most ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Erotomania, also known as De Clérambault’s syndrome, is a rare ...

Vance Boelter’s letter to the FBI about his alleged shootings of Minnesota lawmakers reveals grandiose beliefs about his importance in the world and suggests a delusional disorder, according to a ...