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.
Presymptomatic genetic testing for neurodegenerative diseases can help patients make effective treatment decisions, but the medical profession needs to ensure that the increasing use of the tests is done responsibly.