The question of whether and how results from personal genetic testing will motivate behavioral changes in consumers has only begun to receive the research attention it richly deserves.
Although force-feeding prisoners might seem to be in the interests of beneficence and justice, international codes of ethics permit prisoners to refuse nourishment if they make a rational, uncoerced choice to do so.
AMA J Ethics. 2015;17(10):904-908. doi:
10.1001/journalofethics.2015.17.10.ecas2-1510.
Ruth M. Farrell, MD, MA, Holly Pederson, MD, and Shilpa Padia, MD
Though they claim to, direct-to-consumer genetic tests may not correctly identify an individual's ancestral background, and thus may overstate or understate one's risk for heritable disease.