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.
The average life expectancy of adult patients is about 49 years. The low life expectancy can be attributed to the progressive weakening of the affected body systems. In some cases, children with mitochondrial disease may die in the first year of life.