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.展开
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Melony Feliciano Cris Colicchio Alex Olson Alex Hammerli Donna Pastorello Sarah Kuklis Joseph Scotto Stephanie Beauchamp Isa Camyar Kevin Delano Alicia Erlinger Marla Freeman Ashley Rose Folino Paul Faggione Frank Sorgenti 安德鲁·J.韦斯特