5. The plague was unknown to even the most well-known pharmacists like Claudius Galen, forcing Renaissance doctors to experiment if they wanted to find treatments.
12. It was thought that the excess humors and wastes were able to poison men, children, and others with whom one had come into contact with.
13. Women who did not menstruate might have had a misplaced uterus, which could cause pain in other parts of the body and even cause shortage of breath. This was treated with drinks, steam-baths, and manual manipulation.