NPR's Joanne Silberner reports on the latest about a common ingredient found in cold and diet medications. The Food and Drug Administration said it would seek to remove PPA from all products now on the market, due to an elevated risk of stroke among young women who take the drugs. The products affected include various cold remedies marketed under the brand names Contac, Dimetapp, Alka-Seltzer and others. The diet pill Dexatrim is also affected. The industry group representing over-the-counter drugs declined immediate comment. (2:30)View a list of the drugs with PPA.
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