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A new analysis of studies published on zinc and cold viruses concludes that there isn't enough evidence to say whether over-the-counter zinc treatments have any effect on preventing the common cold.
A new analysis of studies published on zinc and cold viruses concludes that there isn't enough evidence to say whether over-the-counter zinc treatments have any effect on preventing the common cold.
A new analysis of studies published on zinc and cold viruses concludes that there isn't enough evidence to say whether over-the-counter zinc treatments have any effect on preventing the common cold.