Echinacea can prevent colds

By using the herb echinacea you can reduce to chance of catching a cold by half. This has been announced by American scientist in The Lancet Infectious Diseases.

Those who take echinacea have 58% more chance of not catching a cold. Also the duration of the cold is reduced by one to four days.
Experts believe that echinacea, that was already in use by the Sioux native American tribe, boosts the immune system. Exactly how echinacea stimulates the immune system is not yet know, according to the researchers.

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