Why did ancient and medieval people support the idea of the four humours?

The Theory of the Four Humours was an important development in medical knowledge which originated in the works of Aristotle. The Greeks believed that the body was made up of four main components or Four Humours. These Four Humours needed to remain balanced in order for people to remain healthy.

The Theory of the Four Humours was an important development in medical knowledge which originated in the works of Aristotle. The Greeks believed that the body was made up of four main components or Four Humours. These Four Humours needed to remain balanced in order for people to remain healthy.