From left, Priscilla Howard, Crystal Hanna and Nancy Haunty, all breast cancer patients, listen at a Food and Drug Administration hearing on Avastin in Silver Spring, Md., on Tuesday. Joshua Roberts/Bloomberg via Getty Images hide caption

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New York plastic surgeon Brad Jacobs holds a silicone gel breast implant in 2006. That year the FDA allowed silicone implants back on the market, after a 14- year hiatus. Spencer Platt/Getty Images hide caption

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New Cigarette Labels Are Gruesome On Purpose
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Savannah Stidham gets smeared with sunscreen during a visit to a beach in Fort Lauderdale, Fla., in 2006. Joe Raedle/Getty Images 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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