Distinctions between treatment and enhancement, and between supposedly authentic and inauthentic tools, often inform judgments about what is morally acceptable in sport.
Though body size can be altered with environmental or behavioral changes, anatomic shape, which appears to be genetically determined, cannot be changed except by surgery, trauma, or illness.
In a study of New York physicians' compliance with reporting of communicable diseases, surveyed physicians responded better to legal warnings than to requests that explained public health benefits.