Echinacea for preventing and treating the common cold.

Echinacea for preventing and treating the common cold. Cochrane Database Syst Rev. 2014;2:CD000530 Authors: Karsch-Völk M, Barrett B, Kiefer D, Bauer R, Ardjomand-Woelkart K, Linde K Abstract BACKGROUND: Echinacea plant preparations (family Asteraceae) are widely used in Europe and North America for common colds. Most consumers and physicians are not aware that products available under…