How does the doctor decide what to write on the prescription pad? iStockphoto.com hide caption

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Top Medicare Prescribers Rake In Speaking Fees From Drugmakers
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Soda bottles and household chemicals are sometimes used to make low-power bombs. iStockphoto.com hide caption

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Two women in Colombo, Sri Lanka, attend a March protest calling for government action against domestic violence and rape. Dinuka Liyanawatte/Reuters /Landov hide caption

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WHO Finds Violence Against Women Is 'Shockingly' Common
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Bad bug: The bacterium Clostridium difficile kills 14,000 people in the United States each year. Janice Carr/CDC/dapd hide caption

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The newest version of the Robohand is made of snap-together parts, reducing the amount of hardware needed. Courtesy of Jen Owen of Jen Martin Studios hide caption

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3-D Printer Brings Dexterity To Children With No Fingers
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Chimpanzee Toni celebrated his 50th birthday at the Hellabrunn Zoo in Munich on Nov. 22, 2011. Sven Hoppe/DPA/Landov hide caption

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Rule Would List All Chimps As Endangered, Even Lab Animals
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A woodcut from the 1800s, Healing the Lepers, depicts the common tableau of Jesus healing a leper as his disciples look on. Images from the History of Medicine hide caption

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Talk therapy is best for some people; antidepressants are better for others. Scientists say PET scans might help figure out early on what treatment a person needs. iStockphoto.com hide caption

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