Saturday, December 11, 2010

Video: FDA reviews safety of mercury dental fillings

Dec. 10: Mercury has been a key component in silver amalgam dental fillings since before the Civil War, but the appropriate level of exposure to the toxin is once again under review. NBC's Tom Costello reports.  (Nightly News)Mercury has been a key component in silver amalgam dental fillings since before the Civil War, but the appropriate level of exposure to the toxin is once again under review. NBC's Tom Costello reports. (Nightly News)
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