A study found that women's bones didn't benefit from consuming more than 750 milligrams of calcium a day. Justin Sullivan/Getty Images hide caption

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A study at Pennsylvania State University on autopsies found treatment should have been different in about a quarter of cases. Nicholas Monu/iStockphoto.com hide caption

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Seroquel, made by AstraZeneca, was the most prescribed of the atypical antipsychotics scrutinized in a federal audit of nursing home claims. Anonymous/AP hide caption

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