According to Hippocrates’s theory, these four humors must be perfectly mixed in the body to produce good health. An imbalance of these humors was the direct cause of disease and pain ...

Ancient medical practices are usually frowned upon by modern society. The history of medicine is tainted by bizarre ...

Galen, a Greek physician, is born. He develops the theory of the four "humors": blood, phlegm, yellow bile and black bile. Good health is thought to result from a balance of the humors ...

Medical ideas in the Middle Ages were heavily influenced by the ancient Greeks and Romans, particularly Hippocrates and Galen ... Church’s teachings. If the humours stayed in balance then ...