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.
Deaths from Parkinson's Disease: 14,593 deaths reported in USA 1999 (NVSR Sep 2001) Death rate extrapolations for USA for Parkinson's Disease: 14,593 per year, 1,216 per month, 280 per week, 39 per day, 1 per hour, 0 per minute, 0 per second.