Greece and Rome
Before the fifth century B.C., ancient Greece had physician-seers (Iatromantis) who combined magical procedures and drug treatments, and wound healers deft at caring for battlefield trauma.
Another group of practitioners were engaged in medical dietetics, a tradition that developed primarily in response to the needs of athletes. Ultimately, it encompassed not only questions regarding exercise, bathing, and relaxation, but the regulation of food and drink for all citizens. All of these traditions eventually merged around 500 B.C. into a techne iatriche, or healing science, that sought to define its own intellectual approach and methodology. For this purpose, the new medicine adopted a theoretical framework capable of explaining the phenomena of health and illness. The new techne was also heavily dependent on clinical observations from which careful inferences and generalizations were derived.The foremost representative of classical Greek medicine was Hippocrates, a prominent practitioner and teacher who came to personify the ideal Western physician. Within a century of his death in 370 B.C., several unknown disciples wrote nearly 60 treatises, come clinical and some theoretical, on medical subjects differing widely in content and style. This collection of writings, which comprised a comprehensive and rational healing system usually known as “Hippocratic” medicine, emphasized the individual patient. Its practitioners focused exclusively on physical factors related to health and disease, including the immediate environment. Indeed, among the most famous works of the Hippocratic corpus was the treatise Airs, Waters, and Places, an early primer on environmental medicine. Another was Epidemics, a day-to-day account of certain patients, and a third was Regimen, a prescription of diet and life-style conducive to health.
For the ancient Greeks, health was a state of balance among four bodily humors: blood, phlegm, yellow bile, and black bile.
Each had a specific bodily source, a pair of fundamental qualities, and a particular season in which it could be produced in excess. The blood, for example, was elaborated in the liver, was hot and moist, and was prone to overflow during the spring. Not only were humors the material and dynamic components of the body, but their ever-imperfect and labile mixture was responsible for a person’s psychological makeup, or “temperament,” as well as for deficiencies in bodily constitution that created susceptibilities to disease.Illness thus occurred when the humoral balance was upset either by a lack of proper nourishment or by the imperfect production, circulation, and elimination of the humors. The physician’s goal was to restore a healthy balance through the use of diet, rest, or exercise and a limited number of drugs, all capable of aiding the natural healing powers believed to exist in every human being.
This somewhat conservative approach of merely assisting nature and above all not harming the sick characterized the method of Hippocratic physicians. It was congruent with the rather tenuous social position of the early Greek healer, often an itinerant craftsman entirely dependent on his personal reputation because the country lacked an educational and licensing system for medical professionals. Given the elementary state of medical knowledge as reflected in the absence of properly identified disease entities, the demands made of Hippocratic healers were simple prognostications — will the patient live or die? - and ideally some amelioration of symptoms by complementing the healing forces. Unfettered by religious barriers, although coexisting with a religious healing system based on the cult of Asclepius (the god of medicine), the techne iatriche prospered within the flexible tenets of humoralism, a cultural system that was widely shared by healers and their patients and that allowed for the gradual inclusion of new clinical observations.
After the death of Alexander the Great in 323 B.C.
and the partial dismembering of his empire, Egypt flourished under the rule of the Ptolemies. Alexandria, the chief cultural and commercial center, became famous for its library and museum, attracting manuscripts and scholars from the entire Hellenistic world. In addition to collecting medical literature, scholars such as Herophilus of Chalcedon and Erasistratus of Cos carried out systematic human dissections, identifying structures of the circulatory and nervous systems, the eye, and the female reproductive organs.Given the limitations of contemporary medical knowledge, as the Hippocratic healing profession began to compete for upper-class patronage serious debates ensued about the value of medical theory and bedside expertise. Two “sects,” the Dogmatists and Empiricists, first became involved in this dispute. The former, led by Praxagoras of Cos, emphasized the need for theoretical knowledge in medicine, especially to establish plausible explanations for the phenomena of health and disease. The Empiricists, under the guidance of Herophilus, revolted against excessive speculation and expressed skepticism about the value of medical theory, placing instead greater emphasis on bedside experience. Two centuries later, a third group of Greek physicians residing in Rome-the Methodists - espoused a simplistic view of bodily functioning and restricted their treatments to bathing, diet, massage, and a few drugs.
In Rome, healing was essentially a popular skill practiced by heads of families, slaves, and foreigners. A lack of regulations and low social status contributed to a general mistrust of physicians. An exception, however, was the respect accorded to Galen of Pergamon of the second century, a well-educated follower of Hippocratic medicine who managed to overcome the schisms of sectarianism. A prolific writer who authored hundreds of treatises, Galen also carried out anatomic dissections and physiological experiments on animals. He successfully integrated his extensive clinical experience, which he acquired mainly as a surgeon to performing gladiators, into his basic theoretical knowledge, providing medicine with a comprehensive system destined to survive for nearly 1,500 years.