Historically, the practice of bloodletting evolved as medicine did, bloodletting was then a method of cleansing the body from evil spirits (Seigworth, 1980). As medicine changed, so did bloodletting. Hippocrates’s observations led to the recognition that several disease, not just one as previously believed, with symptoms tied to specific diseases were the cause illness (Seigworth, 1980). Hippocrates shared in the belief of the concept of body humors, this theory held that the human body was filled with fo...