This quick TED talk entry is courtesy of TED.com. Over the years, research has shown a counterintuitive fact about human nature: That sometimes, having too much choice makes us less happy. This may even be true when it comes to medical treatment. Baba Shiv shares a fascinating study that measures why choice opens the door to doubt, and suggests that ceding control — especially on life-or-death decisions — may be the best thing for us. (Filmed at TEDxStanford.)