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Census of Greek Medical Manuscripts Illuminates Centuries of Herbal Medicine Practice

ISSUE:
Page:
35-37

In the late 19th and early 20th centuries, classical scholar Hermann Diels guided a team of philologists (scholars who study literary sources and records to establish their authenticity and original form) to assemble a catalog of Greek medical texts. This undertaking served as the starting point for Alain Touwaide, PhD, later joined by his wife and companion in scientific adventures Emanuela Appetiti, to compile an updated catalog of Greek medical manuscripts. Published in October 2016 by Routledge Press, A Census of Greek Medical Manuscripts: From Byzantium to the Renaissance is the culmination of 30 years of travel, research, and discovery.

Touwaide’s efforts have expanded the original catalog of Greek medical texts by more than 50%, and Census includes manuscripts with texts that delve into the practice of dream interpretation, herbal medicine, diet, and planting calendars. In Touwaide’s own words, he listed any text with the common point of “the care of human health” (oral communication, December 2, 2016).

Touwaide explained: “[The Greek] concept of medicine is much closer to what is now integrative medicine. For them, human health and, by consequence, also disease … is the result of the interaction between the environment and the individual.” Therefore, he said, “plants were key” in ancient Greek medical practice.

The subtitle of the work, From Byzantium to the Renaissance, serves to date only the manuscripts themselves rather than the information they contain. Many of the manuscripts, though written between 800-1599 CE, contain transcriptions of much older works dating back to Hippocrates, who is considered the “Father of Medicine” and lived and worked in the fifth and fourth centuries BCE.

Extant Greek-language medical manuscripts, however, tell only part of the story. They reference some works that have been lost to historians, or perhaps exist in another part of the world, copied into another language. “Much of the Greek scientific literature has been translated into Arabic, and also into Georgian, Armenian, Slavic languages, Coptic — all these languages of the Near East,” Touwaide said. “Many of these texts … have been preserved in these other languages while we don’t have them in Greek.”

The time period covered by Census includes the rise of the Byzantine Empire, which grew in prominence from a Roman settlement to a powerful political entity in its own right after the fall of the Roman Empire in the fifth century CE until it was conquered by the Ottoman Empire in 1453.

At its peak, the Byzantine Empire included much of the land surrounding the Mediterranean, and its capital, Constantinople (now Istanbul, Turkey), became one of the largest and wealthiest cities in Europe. Also known as a city of learning, it contained the University of Constantinople and the Imperial Library, which is said to have housed more than 100,000 volumes at its peak. It was at this university and library that many of these ancient texts were preserved thanks to key advancements in book production technology: the change to parchment from the more delicate papyrus and the binding of books instead of rolled scrolls.

“There was a revolution in book production that can be compared exactly to what is happening now in the digital world,” Touwaide said, comparing the phenomenon to the adoption of digital e-book copies instead of physical copies. “At that time, they changed the way of writing books … and so they converted all the available texts into the new writing, and they abandoned or destroyed whatever book it was in the ancient writing system.” These manuscripts followed the people who created them. After the fall of Constantinople in 1453, refugees from Byzantium streamed into Italy, France, and Spain, where scholars and scientists continued to produce works in Greek during the Italian Renaissance.

Misconceptions abound regarding the information contained in these manuscripts. “One thing needs to be clear,” said Touwaide. “There is an idea that is very much diffused in common culture that these manuscripts were copied by monks in the Dark Ages who didn’t know what they were doing…. Manuscripts were not copied exclusively by monks but mostly by physicians. There were no ‘dark ages.’ These people were by no means in an era of ignorance…. They knew exactly what they were doing.” These manuscripts, therefore, give historians and researchers a glimpse of a medical tradition that is more than merely a snapshot of the past. Annotated by physicians sharing their own observations, these texts show the evolution of medicine, care, and treatment in the Greek tradition.

Touwaide compared this ongoing study of the effects of plants to modern clinical trials spanning seven centuries. “Instead of considering that these texts are quackery, superstition, magic, all these kinds of ideas, we should look at them as clinical trials. What we are doing now, even if we do it on 10,000 patients, is without comparison to what we have in the ancient texts,” he added. Physicians recorded their observations, kept what worked, and discarded what did not.

Touwaide and Appetiti, both of whom formerly were affiliated with the Smithsonian Institution in Washington, DC, founded the nonprofit Institute for the Preservation of Medical Traditions in 2007 to research traditional medicine in the hopes of creating new advances in the field of modern medicine. In 2010, the Institute collaborated with the Smithsonian’s Center for Conservation and Evolutionary Genetics to study the findings of a second-century BCE shipwreck off the coast of Tuscany, Italy, that included intriguing medical equipment among the excavated artifacts.1 Thought to belong to a physician on board, one of the artifacts was a tin container holding small, circular tablets that resembled pills. Preliminary DNA sequencing performed on the organic contents of the tablets indicated that they contained common edible garden plants: carrot (Daucus carota, Apiaceae), parsley (Petroselinum crispum, Apiaceae), celery (Apium graveolens, Apiaceae), wild onion (Allium cepa, Amaryllidaceae), radish (Raphanus sativus, Brassicaceae), and cabbage (Brassica oleracea var. capitata, Brassicaceae), with the possible addition of hibiscus (Hibiscus spp., Malvaceae) and yarrow (Achillea millefolium, Asteraceae).

All of these plants, Touwaide points out, were mentioned in ancient medical texts as treatments for a variety of complaints. While food was inextricably linked with medicine in ancient practice, this discovery, thus far the only one of its kind, indicates that medicinal preparations were far more sophisticated than simply digging up a plant and eating it in order to obtain its benefits.

A Census of Greek Medical Manuscripts is the culmination of this effort to combine ancient tradition with modern innovation, uncovering previously undocumented manuscripts and texts, and correcting out-of-date information. Incorrect information regarding the location of manuscripts, which can arise when private collections are sold, can lead to confusion for any researcher wishing to examine the original manuscripts.

Touwaide and Appetiti visited collections as famous and varied as the Pierpont Morgan Library in New York, the Vatican Library, the British Library, and the Bibliothèque Nationale de France, as well as small, privately owned collections scattered across the globe in order to catalog and identify each manuscript. Additions to Diels’ catalog list the title, the author if known, the collection to which the manuscript belongs, and a brief overview of its contents. This information provides immense value to researchers, who can look up a manuscript and know beforehand if it contains subjects relevant to their study.

A Census of Greek Medical Manuscripts is long overdue and most welcomed,” wrote John M. Riddle, PhD, Alumni Distinguished Professor Emeritus of history at North Carolina State University and former president of the Society for Ancient Medicine and the American Institute for the History of Pharmacy (email, November 14, 2016). “On top of that, the fact that a scholar such as [Touwaide] undertook and successfully completed an arduous, painstaking, and expensive task makes the book’s appearance all the more meaningful.” 

The work of decades for Touwaide and Appetiti serves as an invaluable resource for classical scholars around the world, in the tradition of Diels and his original catalog. As medical science draws increasingly on natural products research for new sources of drugs, perhaps the knowledge recorded by ancient Greek physicians holds the key to the next big discovery.

—Hannah Bauman

Reference

  1. Research Breakthrough: 2000-Year-Old Medicine Revealed. Institute for the Preservation of Medical Traditions website. September 24, 2010. Available at: http://medicaltraditions.org/institute/news/168-research-breakthrough-2000-year-old-medicine-revealed. Accessed December 8, 2016.