Theodoric of York.

You know, medicine is not an exact science, but we are learning all the time. Why, just fifty years ago, they thought a disease like your daughter’s was caused by demonic possession or witchcraft. But nowadays we know that Isabelle is suffering from an imbalance of bodily humors, perhaps caused by a toad or a small dwarf living in her stomach.

Who would've predicted modern toxic bro culture leading to the resurfacing of miasma theory? But at this point I wouldn't be surprised to hear him start talking about imbalances of black bile and phlegm.