Your opinion about mental illness?

Many people ask whether this Mental Disorder is the same as Crazy or Sickness. Psychiatrists and clinical psychologists working on mental health settings will surely say that these words contain different meanings. Crazy or Sickness Mind that is often used by the public usually to call people who are not aware of reality; forget memories, laugh alone, speak for themselves, not dressed (naked even in public places). Well, for psychiatrists and clinical psychologists, the term 'mad' or 'mental illness' is referred to it is schizophrenia. Schizophrenia is part of Mental Disorders.