Health_Medical_Pharma

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Michelle Obama is behind the "Let's Play!" program, a fitness initiative aimed at combating childhood obesity. (Associated Press)

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A supporter of Mr. Chavez tears up during his caravan's procession to the airport in Caracas, Venezuela, for his flight to Cuba for cancer surgery on Feb. 24. (Associated Press)

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**FILE** Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks May 8, 2012, in Lansing, Mich. (Associated Press)

Afghan National Army soldiers secure the gate of the military hospital after Arsala Rahmani, a former Taliban official who became an Afghan peace negotiator, was killed by an unknown attacker in western Kabul, Afghanistan, on Sunday, May 13, 2012. (AP Photo/Rahmat Gul)

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Dr. Lisa Sterman holds up a Truvada pill at her office in San Francisco on May 10, 2012. The pill, already used to treat people with HIV, also helps prevent the virus from infecting healthy people. (Associated Press)

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Washington Nationals pitcher Stephen Strasburg tossed six innings, allowing two runs (one earned), while striking out 13. The Nats won 4-2, ending their three-game slide. (AP Photo/Gene J. Puskar)

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JPMorgan Chase & Co. stock fell 6 percent Thursday after CEO Jamie Dimon announced a $2 billion loss in a trading portfolio designed to hedge against risks. "There were many errors, sloppiness and bad judgment," Mr. Dimon said. (Associated Press)

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**FILE** Defense Secretary Leon E. Panetta pauses on May 10, 2012, during a briefing at the Pentagon. (Associated Press)

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In this Wednesday, May 9, 2012, photo, a sun bather lies under umbrellas on Miami Beach, Fla. In a study released Thursday, May 10, 2012, the Centers for Disease Control and Prevention says half of adults under 30 say they've had a sunburn at least once in the past year. (AP Photo/J. Pat Carter)

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Tea Party Patriots co-founder Jenny Beth Martin disputes any pundit or press claims that the tea party movement is dead or irrelevant. (Image from Jenny Beth Martin)