Comorbidity is when a person has more than one health condition at once. Researchers investigating the comorbidity of personality disorders have found people with certain disorders may have other ...

In psychiatry, there’s no more controversial diagnosis than dissociative identity disorder (DID), the disorder formerly known as multiple personality disorder (MPD). First appearing in the third ...

How do we distinguish between bipolar mood disorder, cyclothymic temperament, and borderline personality disorder? This may be among the most important questions in clinical psychiatry and ...

Grandiosity, entitlement, and self-focus can appear in both bipolar and narcissistic personality disorders, but the timing and pattern of symptoms are key. Key Takeaways When someone you care about ...