The problem is that you often don't know what the state of the patient is going to be in a year, two or five, after the treatment. My grandma is 88 now. A few y

The problem is that you often don't know what the state of the patient is going to be in a year, two or five, after the treatment. My grandma is 88 now. A few years ago she had serious issues with heart, blood overpressure, and electrolyte balance and and a few other things which made her look and feel like half dead. Some doctors didnt give her any chances, some said she wouldn't walk anymore, or some said she would stay in the hospital till the end. After a few years of trial and error in the treatment, multiple stays in hospital, they finally found a way to "fix" all the things. Now she feels and behaves like she was 60. Her quality of life went 10 levels up. She takes care of herself, goes out, meets people, tells jokes, etc.