A U.S. soldier is brought to the emergency room at the U.S. hospital at Bagram Air Field, north of Kabul, after he was wounded by a roadside bomb in Wardak province, June 2009. The facility uses both cutting-edge technology as well as old techniques discovered anew to treat the massive number of wounded soldiers who pass through. Rafiq Maqbool/AP hide caption

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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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Natasha Smahlei, a model, works at the Caitlin Raymond International Registry exhibit in October during the New England Business Expo at the DCU Center in Worcester, Mass. Paul Kapteyn/Courtesy of www.telegram.com hide caption

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A radiologist examines a mammogram for signs of breast cancer in Los Angeles in May, 2010. Damian Dovarganes/AP Photo hide caption

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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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A man looks over a room of cholera victims in Port au Prince, Haiti, Dec. 10 David Gilkey/NPR hide caption

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Scientists say cranberry's medicinal powers include preventing bacteria like E. coli and staph from sticking to cells. Zac Visco for NPR hide caption

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