Primum non nocere. First, do no harm.
All doctors are familiar with this credo. From ancient precepts such as the Hippocratic Oath promising to abstain from doing harm to the modern bioethics principle of nonmaleficence, the calling of physicians involves striving to help alleviate suffering and avoid making it worse. In our increasingly complex health care and data environment, avoiding inadvertent harm can be more difficult than one might expect.