Day: December 22, 2010

Echinacea purpurea, an ineffective form of treating and preventing colds.

Echinacea for Cold and Flu

Echinacea continues to be a popular herbal product, used primarily for treating and preventing colds and flus. Sales were estimated at $132 million in the US alone in 2009, an increase of 7% over the previous year. Reports of major negative clinical trials have had only a modest and temporary effect on the popularity and sale of this herb, contradicting claims that...

/ December 22, 2010