Policymakers, employers, insurance companies, researchers, and health care providers have developed an increasing interest in using principles from behavioral economics and psychology to persuade people to change their health-related behaviors, lifestyles, and habits. In this article, we examine how principles from behavioral economics and psychology are being used to nudge people (the public, patients, or health care providers) toward particular decisions or behaviors related to health or health care, and we identify the ethically relevant dimensions that should be considered for (...) the utilization of each principle. (shrink)