Recent news on this blog about unnecessary heart stents in Baltimore and overly complex back surgeries across America may give some readers the wrong idea. This malpractice and patient safety blog is not about good versus evil and picking a doctor to trust because you decide he or she is a "good" trustworthy person. Instead, it's about recognizing that doctors are human too and are subject to the same self-interest as the rest of us -- and this can subtly tilt them to make recommendations for treatments that may not really help us.