The standard technique for measuring blood pressure may not be good enough. / hide caption

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A new drug called rivaroxaban may not require as many blood tests for patients with atrial fibrillation as the current drug on the market does. Libby Chapman/ hide caption

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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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