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关键词：安慰剂的魔力 treallyworkatall.Placeboscomeinallshapesandsizes buttheycontainnoactiveingredient.Nowtheyareb
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, 详情
