Specific contributions to a scientific article entitle the contributor to be included as an author; requests for authorship by those who have not made those specific contributions are unethical.
Science attempts to explain how different types of personalities manage stress and what stress-management style might mean for the health of highly competitive people.
Advance directives do not always resolve questions about the best care for patients who no longer have decision-making capacity; physicians and patient surrogates can take alternative approaches to arrive at the best care decision.
Physicians of patients who request physician-assisted suicide should not avoid the subject and should try to discuss the patients' specific concerns and fears with them.