An FDA advisory panel voted to increase controls on painkillers containing hydrocodone, such as this generic version of Vicodin. Sue Ogrocki/Associated Press hide caption

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Nurse Corean McClinton, left, talks about pain management with Sherry Webb at the Sickle Cell Disease Center in the Truman Medical Center, in Kansas City, Mo., in 2007. Dick Whipple/Associated Press hide caption

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Carolyn Tuft and her daughter Kirsten (seen here in 2005) were the victims of a shooting at a Salt Lake City mall in 2007. Kirsten was one of five bystanders killed, and Carolyn was left in severe pain. Courtesy of Carolyn Tuft hide caption

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Forty years after Roe v. Wade --€” and nearly 50 years after the start of efforts toward legalizing abortion €-- the debate still carries on, with younger generations ready to take up the cause for both sides. Mark Wilson/Getty Images hide caption

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The fall armyworm, a corn pest, is now also a vaccine factory. Wikimedia Commons hide caption

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Slides containing DNA sit in a bay waiting to be analyzed by a genome sequencing machine. David Paul Morris/Bloomberg via Getty Images hide caption

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When flu viruses (in red) accumulate an escape protein too quickly, they exit the cell nucleus (in blue) before they've made enough viral copies to spread the infection. Benjamin tenOever hide caption

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Some parents have worried that kids get too many vaccinations too quickly. A review of all the available research suggests those concerns are misplaced. Dmitry Naumov/ hide caption

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Lt. Cmdr. Stephen Mannino checks a sailor for skin cancer the old-fashioned way during a screening exam at Naval Amphibious Base Coronado in San Diego. MC2 Dominique M. Lasco/U.S. Navy hide caption

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State Senator Jeff Klein (L-R), Assembly Speaker Sheldon Silver, Lieutenant Governor Robert Duffy and Senator Andrea Stewart-Cousins congratulate New York Governor Andrew Cuomo after he signed the New York Secure Ammunition and Firearms Enforcement Act on Tuesday. Hans Pennink/Reuters/Landov hide caption

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