Because regulatory approval of cognitive enhancement drugs is likely, physicians may want to consider whether they would condone the practice for restoration of function only or for enhancement purposes as well.
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.
Physicians who base end-of-life care decisions for patients on their own preferences may offer less treatment than the patients themselves would have wanted.