A new mum who lives with 20 ‘alternative personalities’ in her mind said they work as a “team” to help her raise her son.

Cameron West's eyes go somewhere else for a moment. He's sitting beside his wife of 45 years, Rikki, in the middle of a conversation about a morning more than 30 years ago. She opened a closet door in ...

Dissociative identity disorder (DID), formerly known as multiple personality disorder, is one of the most intriguing and misunderstood conditions in psychology. Characterized by the presence of two or ...

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 ...