Understanding the Placebo Effect

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YouTube / TheRoyalInstitute

The placebo effect is famous; a non-medicinal substance or procedure can actually relieve pain, fever, or nausea even if it's "just a sugar pill." But why does this work? In this fascinating video from YouTube's Ri Channel, Professor Nicholas Humphrey tackles the question: "If we can effectively cure ourselves by taking placebo medicine, why don't we just heal ourselves straight away?"

Starting with Stonehenge (which might be a giant stone placebo), Humphrey takes us on a logical journey. Enjoy:

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July 21, 2013 - 10:00am
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