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.
Risk factors for Parkinson's disease include: 1  Age - Parkinson's disease is more common (with 75 percent of people developing the disease after age 60) up to the age of 80, when it then becomes less common again. 2  Sex - Men are slightly more likely to develop Parkinson's disease than women.