Only primrose oil was evaluated in a controlled study, and the beneficial effects noted in CFS patients have not been independently confirmed. Some herbal preparations, notably comfrey and high-dose ginseng, have recognized harmful effects. Share your content with us and gain exposure among our 2.2 million unique annual visitors. Find out how to contribute and more details here . Research Your Illness Visit our Medcenter and get your Medifocus Guide , trustworthy medical information specifically about your health condition.
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