Study says it might be the ritual of taking placebos that makes them work like pills. David Sucsy/iStockphoto.com hide caption

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Fake Pills Can Work, Even If Patients Know It

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The maker of the Man Up Now sexual supplement says it contains fruit like these from the Wolfberry plant to prevent side effects from other ingredients. Wikimedia Commons hide caption

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Shane Wendel, a pharmacist and owner of the Central Pharmacy in New Rockford, N.D., speaks to customer Marvel Ebenhahn about her prescription. "I get to choose how I direct patient care, and what I spend my time on to help my patients," Wendel tells Shots. Dale Wetzel/AP hide caption

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Billy Tauzin, former congressman and CEO of the Pharmaceutical Research and Manufacturers of America, in a 2008 file photo. Mike Wintroath/AP hide caption

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There's a lot going on with the little blue pill called Truvada made by Gilead Sciences of Forest City, Calif. Paul Sakuma/AP hide caption

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Pill Cuts HIV Infection Risk Significantly, For A Price

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