Galen was the most famous doctor in Ancient Rome. He followed the Greek ideas about the four humours- yellow bile, black bile, blood and phlegm. The four elements had to be in the right amount for a person to be healthy.
Galen was the most famous doctor in Ancient Rome. He followed the Greek ideas about the four humours- yellow bile, black bile, blood and phlegm. The four elements had to be in the right amount for a person to be healthy.