Physicians need to help surrogate decision makers to make treatment and end-of-life decisions for those with severe neurological damage by proving a realistic prognosis and maintain strong lines of communication.
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.
Although parents may someday have the ability to enhance the complex physical and mental traits of their offspring, such genetic enhancements raise a number of difficult ethical questions.