Delusional disorder is a distinct psychiatric condition characterised by the persistent presence of one or more non-bizarre delusions lasting at least one month, without the prominent cognitive ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Distorted perceptions of relationships can be dangerous for ...

In my previous posts, readers learned about delusions both as a symptom and as a condition called delusional disorder. The latter is marked by the presence of delusions in the absence of other ...

Othello syndrome is a psychosis in which someone shows pathological jealousy and strongly believes their partner may be unfaithful, even though there is no real proof of cheating. Someone with Othello ...