Horizon. [Season 50, Episode 9], The power of the placebo / produced & directed by Olly Bootle ; BBC Science production.
They are the miracle pills that shouldn't really work at all. Placebos come in all shapes and sizes, but they contain no active ingredient. Now they are being shown to help treat pain, depression and even alleviate some of the symptoms of Parkinson's disease. Horizon explores why they work...
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