Echinacea Shows Little Benefit in Treating Colds, Study Finds
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The herb echinacea showed little benefit in treating the common cold, according a study.
Echinacea sales rose 7 percent to $132 million in the U.S. last year, according to the Boulder, Colorado-based Nutrition Business Journal. The herb was used by American Indians for centuries to treat coughs, infections and snakebites. Now it is widely taken by patients to fight colds, researchers said.