Among the hundreds of disorders defined by the American Psychiatric Association, dissociative identity disorder, formerly called multiple personality disorder, is one of the more contentious.
Herschel Walker's public announcement brings the disorder back into the public eye. ABC News polled mental health experts to get their reaction.
Can One Be a 'We'?
Controversy exists because it calls into question people's understanding of personality, according to mental health experts. How can...Full Story