Caduceus eloquence). The caduceus is often incorrectly used as a symbol of healthcare organizations and medical practice, particularly in North America, due to confusion with the traditional medical symbol, the Rod of Asclepius, which has only one snake and is never depicted with wings. It is thought that this symbol's long lasting association with the medical profession stems from early use of twigs to draw out long bodied inter muscular parasitic worms by wrapping them slowly around the twig so as not to break them or allow them to escape back into the body, a successful treatment still in use today,
Caduceus as a symbol of medicine when few people understand the visual signs with which he was so familiar." In support of the idea that the caduceus had a long-standing association with medicine, Garrison also mentioned the fact that the English medical printer Churchill used the symbol as a printer's device, beginning some time around 1844. Friedlander has examined this subject in detail, and shows that Churchill was well aware that the rod of Asclepius was the accepted symbol of medicine. He is, it seems, inclined to think that the adoption of the caduceus in this context probably had something to do with the relation between