Delusional disorder refers to a condition in which an individual displays one or more delusions for one month or longer. Delusional disorder is distinct from schizophrenia and cannot be diagnosed if a ...

A delusion is a fixed, relatively immutable, persistent, false belief with no basis in reality. Source: Piotr Marcinski/Shutterstock We talk often about "deluded" people: “The person on the talent ...

A skin condition tied to delusions is posing a riddle for doctors: What to do when a diagnosis causes offense?

A new study from Simon Fraser University researchers has found a close link between high levels of social media use and psychiatric disorders that involve delusions, such as narcissism and body ...

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 ...

A new study investigates how anger associated with delusions — not simply being out of touch with reality — is critical in determining whether psychosis turns violent. The research, published in JAMA ...