Dissociative identity disorder, or DID, is the result of appetite fluctuations that are caused by severe stress.
Dissociative identity disorder ( DID ) , also known as multiple personality disorder ( MPD ) , is a mental disorder characterized by at least two distinct and relatively enduring identities or dissociated personality states . Dissociative disorders , including DID , have been attributed to disruptions in memory caused by trauma or other forms of stress .