Abstract. In 1960, following a specific court case, the Kansas Supreme Court established the obligation for doctors, when performing a surgery or providing treatment, to inform their patients on the risks, the probability of success, possible alternative solutions, and the nature of the medical issue before a patient could consent (Encyclopedia). This is now known as informed consent. A case study where a kidney donor is not aware of the risks involved in the surgery is presented to show why Aristotle’s virtue ethics, which helped create informed consent, is needed for a patient to consent…