Many medical terms have evolved or changed over the years to reflect advancements in medical knowledge or to reduce stigma. For example, what was once called consumption is now known to be ...

Dissociative identity disorder (DID) is a condition in which an individual has two or more distinct personality states or identities. It was previously known as multiple personality disorder.

AnnaLynne McCord is opening up about her dissociative identity disorder diagnosis (DID), which ... "co-conscious" of her true identity and a split personality she called "little Anna" at 13.

Perfectionism often manifests in borderline personality disorder due, in part, to the tendency to anxiously search for ...

Sociopathy is also linked to a mental health condition known as antisocial personality disorder, or ASPD. Sociopathy was the former name for ASPD. George Partridge, an American psychologist ...