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 ...

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

Terms such as delusions or conspiracy theories express a disapproving attitude. Suppose I am convinced that a celebrity I have never met is in love with me. My belief may be considered delusional. To ...

Delusions are fixed, false beliefs held with conviction that persists despite evidence to the contrary. They occur as part of various conditions such as severe depression, schizophrenia, or bipolar ...