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Article reviews the impact of vitamin C on cold duration and severity, suggesting minimal effects based on studies.
In your March 16 Week in Review article “A No Vote on Vitamin C” reference is made to two papers in the Journal of the American Medical Society, one a study of vitamin C in relation to the common cold conducted at the National Institutes of Health, and the other a survey of previous studies. The authors concluded that vitamin C had “at best only a minor influence on the duration and severity of colds.” ...
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L Pauling (1975) studied this question.
Synapse has enriched 8 closely related papers on similar clinical questions. Consider them for comparative context: