Medical stewardship is a way of describing a relatively new obligation to maximize health care resources. A professionwide conversation about its meaning and value is needed.
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.
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.