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, and how we could all benefit from the hidden power of the placebo.
乔治·卢卡斯 特穆拉·莫里森 雷巴·布尔 杰米·布洛奇 Maureen Bullock 本·贝尔特 杜维因·邓纳姆 戴夫·菲洛尼 乔·庄斯顿 凯瑟琳·肯尼迪 丹尼尔·洛根 Steve Sansweet Pete Vilmur
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