This is something we know to be true already. The more invasive, the more powerful the placebo effect. >Weirdly enough, surgery’s invasiveness may explain some

This is something we know to be true already. The more invasive, the more powerful the placebo effect. >Weirdly enough, surgery’s invasiveness may explain some of its potency. Studies have shown that invasive procedures produce a stronger placebo effect than non-invasive ones, said researcher Jonas Bloch Thorlund of the University of Southern Denmark. A pill can provoke a placebo effect, but an injection produces an even stronger one. Cutting into someone appears to be more powerful still. https://fivethirtyeight.com/features/surgery-is-one-hell-of-a-placebo/ https://fivethirtyeight.com/features/surgery-is-one-hell-of-...