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  • Title: Echinacea for preventing and treating the common cold.
    Author: Karsch-Völk M, Barrett B, Linde K.
    Journal: JAMA; 2015 Feb 10; 313(6):618-9. PubMed ID: 25668266.
    Abstract:
    CLINICAL QUESTION: Are Echinacea products associated with a reduced incidence and a shorter duration of common colds compared with placebo? BOTTOM LINE: Individual prophylaxis trials show no association with prevention of the common cold, but exploratory meta-analysis suggests that Echinacea products may be associated with a small reduction in cold incidence. In treatment trials, there was no association of Echinacea products with a shorter duration of colds.
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