All the symbols and emblems for modern medicine have one thing in common: a serpent. Some, like the Caduceus, have two serpents around a staff, while others, like the rod of Asclepius, have only one serpent. There are various interpretations as to the difference in meaning between the two, as well as the history of their origins, but the oldest reference to the serpent and its role in human suffering or healing, is contained in the earliest records of the Bible, in the writings of Moses, who ...
