A man's tattoo left doctors debating whether to save his life

Picture this: A man is admitted to the hospital, unconscious, with a history of serious health problems and a high blood alcohol level. He has no identification and no family with him. On his chest, he has a tattoo: "Do Not Resuscitate." What would you do? It sounds like a worst-case-scenario question from a medical ethics course, but it really happened recently at a Florida hospital. A newly published study in The New England Journal of Medicine explored the eth...