People!
Interacting with real people, facing a person trying to get help for something that they don't want to experience is vastly different than reading about a symptom or group of symptoms in a book.
Interacting with real people, facing a person trying to get help for something that they don't want to experience is vastly different than reading about a symptom or group of symptoms in a book.
Doctors, from what I can tell, receive no formal education in nursing.