Herbal medicine, also called phytotherapy or phytomedicine, has been practiced since the beginning of recorded history. Specific remedies have been handed down from generation to generation.
In ancient times, medicinal plants were chosen for their color or the shape of their leaves. For example, heart-shaped leaves were used for heart problems, while plants with red flowers were used to treat bleeding disorders. This primitive approach is called the Doctrine of Signatures. Practitioners determined the best use for each plant by trial and error.
The formal study of herbs, called herbology, dates back to the ancient cultures of the Middle East, Greece, China, and India. These cultures revered the power of nature and developed herbal remedies based on the plants found in their home environments. Written evidence of the medicinal use of herbs has been found on Mesopotamian clay tablets and ancient Egyptian papyrus.
The first known compilation of herbal remedies was ordered by the king of Sumeria around 2000 B.C. and included 250 medicinal substances, including garlic. Ancient Greece and Rome produced their own compilations, including De Materia Medica, written in the I 1st century A.D. Of the 950 medicinal products described in this work, 600 come from plants and the rest from animal or mineral sources.
The Arabs added their own discoveries to the Greco-Roman texts, resulting in a compilation of more than 2,000 substances. Eventually, this work was reintroduced to Europe by Christian doctors traveling with the Crusaders. Herbal therapy is also a major component of India's Ayurvedic medicine, traditional Chinese medicine, Native American medicine, homeopathy, and naturopathy.
In the United States, herbal remedies handed down from European settlers and learned from Native Americans were a mainstay of medical care until the early 1900s. The rise of technology and the biomedical approach to health care eventually led to the decline of herbal medicine.
The herbal revival that we're seeing today has several causes:
general disillusionment with modern medicine
the high cost and side effects of prescription drugs
widespread availability of herbal medicines
the belief that natural remedies are superior to man made drugs.
Charles W. Fetrow, Pharm.D. , Juan R. Avila, Pharm.D.
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