Double-scary when you think about how much education one must (legally) get before becoming a cardiologist.
There's a huge amount of waste somewhere in all that.
As I understand it, medical school is very heavy on memorization - doctors are expected to absorb a huge quantity of data about procedures, medications, etc. So much memorization, in fact, that it's probably incompatible with a habit of model-checking everything. If that's true, then this would filter out the traits that medicine needs most to repair its practices.
A feature in Scientific American magazine casts some light on the troubled state of modern medicine.
Health Care Myth Busters: Is There a High Degree of Scientific Certainty in Modern Medicine?
Short excerpt:
Scientific American often gates its online articles after some time has passed, so I don't know how long it will be available.