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.
Physicians can ethically withhold information in situations where full disclosure of a diagnosis or treatment would cause great psychological harm to the patient.
Some psychiatrists feel that outpatient commitment has a legitimate role in treating mentally ill individuals, especially those who are not even aware of their disease.