The system of the four temperaments, or humorsmelancholic, choleric, sanguine, and phlegmatichas been used to analyze personality and health for over two thousand years, since the philosophical insights of Aristotle and the healing arts of Hippocrates. It has been the basis of Western medicine and character portraits ever since. Now The Four Temperaments offers an introduction and overview of this ancient knowledge, providing readers a clear picture of all the humors have to offer. Randy Rolfe shows how to identify one's own temperament and how to dramatically improve health, relationships,...