Delusions are a symptom of psychosis. They involve strong beliefs in something that is not true. Certain mental health conditions, such as schizophrenia and delusional disorder, often involve ...

People with schizophrenia often have delusions: false beliefs about themselves or the world around them. The types of delusions in schizophrenia can vary, but persecutory delusions are the most common ...

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 ...