Best Answer: St. Augustine (Florida) is the oldest continually occupied European settlement in the continental United States, only San Juan, Puerto Rico predates the city as the oldest settlement within the territory of the United States.
Finally in 1980 the American Psychiatric Association officially recognized multiple personality disorder as a genuine emotional illness. Today, MPD is a relatively popular diagnosis with 20,000 cases recorded between 1980 and 1990. Researchers currently believe that from 0.01-10% of the general population has this mental illness.
Often, schizophrenia's split mind is mistaken for the split personality of multiple personality disorder. In reality, however, schizophrenia and multiple personality disorder are two very different mental disorders with different symptoms, causes, and treatments.he formal name for the disorder is dissociative identity (di-SO-see-a-tiv i-DEN-ti-tee) disorder. This means that a person's identity is separating into parts, or dissociating, because of the mental disorder. Actress Sally Field portrayed a woman with multiple personality disorder in the film Sybil.