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.
There is increasing evidence that Parkinson's disease may be inherited. Men after the age of 60 are more likely to develop the disease than women. The average age at the onset of symptoms is 60. However, 10 percent of patients are diagnosed before age 40.