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.
I agree that all patients are different as far as how long they live. Take care of yourself first. My dad wound up living with me for 7 yrs. after he took care of my mom who had Parkinsons. She made him promise not to put her in a nursing home and both times when he had a heart attack she had to go in one.