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Cold Medicines

NPR's Joanne Silberner reports on new information about the safety of P.P.A., the main ingredient in many cold remedies and appetite suppressants. On Thursday, advisors to the Food and Drug Administration declared P.P.A. unsafe, based on a new study showing young women who take these medications have a higher-than-normal risk of stroke. The FDA usually goes along with such recommendations, though some experts say that the study isn't conclusive and that more research is needed before banning P.P.A.

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