Treatment of hemorrhoids is divided by the cause of symptoms, into internal and external treatments. Accurately classifying a patient's symptoms and the relation of the symptoms to internal and external hemorrhoids is important.
Note also that the average life expectancy after being diagnosed with Parkinson's is about 9 years -- hence, those who participated were already at this point at the beginning of the study.
Parkinson's disease typically occurs in people over the age of 60, of which about one percent are affected. Males are more often affected than females. When it is seen in people before the age of 50, it is called young-onset PD. The average life expectancy following diagnosis is between 7 and 14 years.