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Uploaded by iHealthTube on Feb 26, 2008
http://www.ihealthtube.comDr. Mark Whitacre discusses the damage free radicals can cause and how our body's antioxidant system can defend our body's against harm.*Rate - Comment - Subscribe*
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They look like twins
ScubaSteve228 1 year ago 2
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They look like twins
ScubaSteve228 1 year ago 2