Experts assess isolation, self-focus, and group ties to distinguish conspiracy beliefs from clinical delusions.

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 ...

A delusion is a belief based on an inaccurate interpretation of reality, despite clear evidence to the contrary. A delusional disorder causes a person to have delusional thoughts for a prolonged ...

Delusions of grandeur are a symptom of mental health conditions like bipolar disorder and schizophrenia. People with this ...

Credit: Getty Images Some rare psychological disorders may occur so infrequently that most mental health professionals might never encounter them. Approximately 1 of every 5 adults in the United ...

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 ...