Echinacea prevents and treats colds

A new meta-analysis suggests that taking Echinacea can cut the chances of catching the common cold by 58% and reduce its duration by 1.4 days. American researchers combined the results of 14 randomised, placebo-controlled clinical trials involving nearly 3000 patients, making it the largest meta-analysis on the subject to date. The research backs up a previous study that found Echinacea to be an e ...

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