While some negative outcomes have nothing to do with patient expectations (adverse events are known risks with all treatments), the "nocebo effect" is especially pernicious because it can contaminate good care and is preventable.
Are hard-edged smoking cessation or weight loss programs justified because they help keep down everyone's insurance costs? What is the balance between personal freedom and societal obligations?
A doctor's decision-making abilities may be related to the time of day. Making decisions seems highly affected by what social psychologists call "decision fatigue."