8 years ago
Watch: The strange science of the placebo effect
The placebo effect might be in full force right now, but it isn't a new phenomenon. In fact, its origins can be traced back to World War II, when wounded soldiers were more plentiful than available doses of morphene on the north African battlefields. There was nothing to give a soldier for his pain, so the nurse filled a syringe with salt water, and upon being injected with what he thought was a powerful pain killer, the soldier's pain went away. How is this even possible?
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