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 ...

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 ...

Today’s fast-paced and high-pressure world is believed to be one of the major factors responsible for the increasing cases of ...

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 ...

Herschel Walker details his life with multiple personalities in new book. Jan. 21, 2008 — -- NFL superstar Herschel Walker has long suffered from multiple personality disorder, the Heisman Trophy ...