Developed by ancient Greek thinkers in the 5th century BCE, the theory of the four humors continued to develop during the Medieval Period. This theory explains precisely how the body works, including ...

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 ...

Through this method, he made important discoveries about the circulation of blood and the workings of ... on Hippocrates's theories of the four humours. His medical writings were very influential ...

A lighthearted round-up of this week’s Cambridge news, featuring potholes and ‘pointless’ marches ...

The “four tempers” in AppleTV+’s hit show, ‘Severance,’ were inspired by the four temperaments, an ancient Greek philosophy ...