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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Raoul Poole Robert Earl Council Melvin Ray Sandy Ray Brandon Davis Hank Sherrod James Sales Quante Cockrell Stacy George Steve Marshall Nikki Catrice Earnestine Council Robert Earl Council Sr. Ciara Council