You want to talk about thankless medical professional jobs?
Try being an Endocrinologist.
Proper treatment is always a delicate balancing act, taking the patient, age, physical condition, attitude and daily routines into consideration. I personally have little direct knowledge of the specialty.
I have always heard a good Endocrinologist will start treatment with the smallest dose possible that is capable of making desired changes or maintaining desired conditions.
Beware of anyone advising you to take a large amount of anything new to you. This includes using certain plants, pollens and preparations of items found in nature.
Know your own allergies.
Great advice. My wife says “Listen to your body.”
She’s outlived everybody on her side of the family (by many years).