Four humours

The four humours were four fluids that were thought to permeate the body and influence its health. The concept was developed by ancient Greek thinkers around 400 BC and was directly linked with another popular theory of the four elements (Empedocles). Paired qualities were associated with each humour and its season. The four humours, their corresponding elements, seasons and sites of formation, and resulting temperaments alongside their modern equivalents are:

See also

• Disposition
• Humor theory
• Medieval medicine