Lipitor, and other cholesterol-fighting drugs like it, will carry new instructions about risks. Paul Sakuma/AP hide caption

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Diet Drug Qnexa Gets Thumbs-Up From FDA Panel

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The FDA hasn't approved a new weight-loss drug since 1999. In the meantime, Americans' waistlines have continued to grow. M. Spencer Green/AP hide caption

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Weight-Loss Drugs Face High Hurdles At FDA

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Many hospitals are perilously close to running out of a form of methotrexate that's necessary to inject in high doses to treat certain forms of cancer. iStockphoto.com hide caption

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Latest Drug Shortage Threatens Children With Leukemia

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When it comes to taking up residence in your intestines, Clostridium difficile, like these, may get some help from common heartburn drugs. Janice Carr/CDC hide caption

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Cystic Fibrosis Drug Wins Approval

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R.J. Reynolds' Orbs, a dissolvable tobacco product. The Food and Drug administration is studying the flavored products. Charles Dharapak/AP hide caption

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Dissolvable Tobacco Products Draw FDA Scrutiny

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