<Tab/> Bioethics is the study of moral issues in the fields of medical treatment and research. The idea of bioethics is based upon several different codes of ethics, some of these being the ancient Greek Hippocratic oath, which stated above all to "do no harm," and the professional code of ethics written in the 18th century by Thomas Percival, a British doctor. The code written by Percival was the basis for the first official code of ethics that was written in 1846 by the founders of the American Medical Association. Another code was developed after World War II. This cod…