Earlier quoted context omitted.
And where generally closer to our modern day MDs then real mediaval MDs. As those where theologists coming from christian universities where they received basically zero true medical training.
Secular doctors were also terrible: before the late-19th century, seeing a doctor was more likely to shorten your lifespan than lengthen it. Unless you needed surgery, which meant that you were in serious trouble anyway, so even with the extreme likelihood of infection your odds were a bit better than just leaving it alone. As far as I can tell, before like 1880 they prescribed mercury for everything. Even though the…
Medical malpractice is the third-leading cause of death. (After cancers and cardiovascular problems, aka "old age".)
This is inevitable as we can't really experiment on people and do real science.