Does your school or hospital use the caduceus as its symbol? (Do you know what a caduceus is??) Do you really want to be associated with the Protector of Thieves? Learn more about the history of the caduceus and the staff of Aesclepius and decide for yourself. Wikipedia also has a good blurb on the caduceus and the staff (or "rod") of Aesclepius.

Snopes is a great "urban myth" web page, covering just about every possible subject under the sun. There's even an entire page dedicated to urban legends about Coca-Cola...

Dr. Robert Flaherty at Montana State University-Bozeman has put together a great document on Medical Mythology.