Complex sentence: People who are diagnosed with paranoid-type of schizophrenia are often given a better prognosis than those with other types, are generally better able to take care of themselves and are more mentally functional.
Split into simpler sentences: People who are diagnosed with paranoid-type of schizophrenia are often given a better prognosis than those with other types. They are generally better able to take care of themselves and are more mentally functional.