Health_Medical_Pharma

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The Club for Growth Action has spent about $5.5 million to try to push tea party insurgent Ted Cruz to victory. The Texas Conservatives Fund, which backs Lt. Gov. David Dewhurst, has doled out $5.2 million to attack the tea party favorite. (Associated Press)

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Republican presidential candidate Mitt Romney is presented July 29, 2012, with a booklet as he visits the Western Wall in Jerusalem. (Associated Press)

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** FILE ** In this Thursday, July 12, 2012, photo, a health worker from The AIDS Support Organization (TASO) health worker speaks with patients waiting for treatment in Kampala, Uganda. (AP Photo/Stephen Wandera)

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**FILE** Lawrence Stallworth II (left), 20, of Cleveland, who was diagnosed with HIV at age 17, speaks July 22, 2012, on a youth panel at the International AIDS Conference in Washington. Stallworth learned he was infected with HIV at age 17, when he was a high-school senior, after a hospitalization. A black gay man, he's among one of the nation's highest-risk groups. (Associated Press)

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associated press Justin Gatlin signaled his victory in the 100-meter final at the U.S. Olympic trials in June, covering the distance in 9.80 seconds. Gatlin, 30, is competing again after serving a four-year suspension from the U.S. Anti-Doping Agency for testing positive for steroids.

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associated press Justin Gatlin signaled his victory in the 100-meter final at the U.S. Olympic trials in June, covering the distance in 9.80 seconds. Gatlin, 30, is competing again after serving a four-year suspension from the U.S. Anti-Doping Agency for testing positive for steroids.

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ASSOCIATED PRESS Sprinter Tyson Gay was sidelined for nearly a year after having surgery on his right hip in 2011.

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ASSOCIATED PRESS Sprinter Tyson Gay was sidelined for nearly a year after having surgery on his right hip in 2011.

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**FILE** Attorney General Eric Holder speaks in the Cabinet Room of the White House, Thursday, July 26, 2012, where he announced the formation of a public-private partnership to fight fraud in the health care system. (Associated Press)

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Justin Gatlin signaled his victory in the 100-meter final at the U.S. Olympic trials in June, covering the distance in 9.80 seconds. Gatlin, 30, is competing again after serving a four-year suspension from the U.S. Anti-Doping Agency for testing positive for steroids. (Associated Press)