Herbal medicine (also called herbalism, phytomedicine or phytotherapy)
is the study of pharmacognosy and the use of medicinal plants, which are
a basis of traditional medicine. Scientific evidence for the
effectiveness of many herbal treatments remains limited, prompting
ongoing regulatory evaluation and research into their safety and
efficacy. Standards for purity or dosage are generally not provided. The
scope of herbal medicine sometimes includes fungal and bee products, as
well as minerals, shells and certain animal parts.
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