2. Diagnosing Pathological Lying

Diagnosing pathological lying has proven difficult for psychologists because it can be a symptom of another disorder or a habit picked up from childhood. Often, psychologists look for an underlying cause for the phenomenon and work to address that, instead of addressing the mythomania alone. Mental illnesses sometimes related to pathological lying include post-traumatic stress disorder, narcissistic personality disorder, and bipolar disorder.

Compulsive Pathological Lying Diagnosing Mythomania NoSystem images / Getty Images

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