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.
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.
It is difficult to argue that consumers are maximizing their welfare by consuming trans fats, particularly because the production and taste costs of replacing them do not outweigh the health benefits.