WHO published a book in more than twenty languages laying out simple pain treatment steps, which came to be known as the WHO Ladder. Within it, morphine was deemed “an essential drug” in cancer pain relief. WHO went further. It claimed freedom from pain as a universal human right. The Ladder was accompanied by a concept relevant to our story that moved public and medical opinion. It was this: If a patient said he was in pain, doctors should believe him and prescribe accordingly. This attitude grew from a patients’ rights movement that sprung in part from the Nuremberg Trials, where Nazi
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