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 ...

Dissociative identity disorder is mainly treated with talk therapy. Cognitive Behavioral Therapy helps change negative ...

Myths about DID paint it as a rare, untreatable condition that involves extreme personality changes. In reality, people with DID switch identities because they don't have a single unified identity.

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 ...