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.
There is a market for direct-to-consumer genetic testing and a need for better consumer information and more regulation of tests and testing laboratories.
Refusals of psychotropic medication by detained criminal defendants raise conflicting dual loyalties for psychiatrists between the duty to treat a patient and the duty to protect society from that patient.