Parkinson's disease Many other symptoms: deficits in the sense of smell;fatigue; disturbances of the autonomic nervous system which controls blood pressure,urinary bladder,bowel and sexual function; sleep disorders; v a variety of behavioral features including anxiety and depression;and finally neuropsychological abnormalities including dementia.Many other symptoms:  deficits in the sense of smell; fatigue;  disturbances of the autonomic nervous system which controls blood pressure, urinary bladder, bowel and sexual function;  sleep disorders;  a variety of behavioral features including anxiety and depression; and  finally neuropsychological abnormalities including dementia. Parkinson’s disease