Humorism, or humoralism, was a system of medicine detailing the makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers.
== Origin ==
The concept of "humors" (i.e. chemical systems regulating human behaviour) became more prominent from the writing of medical theorist Alcmaeon of Croton (C. 540–500BC). His list of humours was longer than just four liquids and included fundamental elements described by Empedocles, such as water, air, earth, etc. Some authors suggest that the concept of "humours" may have origins in Ancient Egyptian medicine or...