The FDA says the highest approved dose of simvastatin, the generic name for the cholesterol-lowering drug Zocor, has been linked to increased risk of muscle injury. AP Photo/Merck hide caption

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A traveler passes an automated external defibrillator at O'Hare International Airport in Chicago. Tim Boyle/Getty Images hide caption

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Antonio Garcia re-stocks the beverages at The Corner Market in Washington, D.C., in 2010. Study author Jean Welsh says that sweetened beverages tend to be the biggest source of added sugar. Jacquelyn Martin/AP hide caption

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