The winter chill and a flurry of media reports touting the benefits of zinc lozenges in alleviating the severity and duration of the common cold are creating a big demand for this "cure" at supermarkets. Zinc lozenges have been on the market for about a year. Public interest was first generated by a Cleveland Clinic Foundation study, which was published in July in the Annals of Internal Medicine, a trade journal. The zinc products first caught the public's attention this winter when ...

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