The researchers have published a study in the Lancet Infectious Diseases which shows that taking Echinacea can halve the risk of catching the common cold and reduces the duration of a cold by approximately 36 hours.
It is believed that Echinacea may work by boosting the body's immune system. When taken in conjunction with vitamin C, the combination reduced the incidence of cold by 86 per cent.
The results of this analysis were obtained by combining the results of 14 different studies. However, the researchers emphasise that the safety profile of Echinacea must be investigated before the remedy can be recommended to patients.
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