Greek Medicine - Asclepius to Hippocrates
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Greek Medicine

stone carving of a family bringing a sheep towards a large bearded man
Sacrificing a sheep to Asclepius

March 2017 - Disease was a very serious problem for the Greeks, as for all other people in the ancient and medieval worlds. One out of three babies died before they were a year old. Half of all children died before they were ten. And even most people who grew up died in their forties and fifties.

models of legs, arms, breasts and other body parts
Hints to Asclepius about which part needs fixing

At first, Greek doctors, like the Egyptians and Indians, believed that demons caused diseases, and that gods - like the god of medicine, Apollo's son Asclepius, could cure diseases. Greek healers tried to cure patients using sacrifice and prayer. People often bought models of the part of their body that was sick to leave at Asclepius' shrine, as a way of letting the god know what to fix. At the same time, though, Greek doctors did use medicines that worked - they used wine, opium, and henbane to help with pain and toothache, and they used aloe (originally from Egypt) to cure burns. They used crushed garlic to disinfect cuts, and mint tea to help with stomachaches.

But by around 500 BC, Greek doctors became more interested in using scientific observation and logic to figure out what caused diseases and what you could do about them. Slowly Greek doctors worked out a logical system for understanding disease. The main collection of writings about Greek medicine is the Hippocratic Writings, named after the first and most famous of these doctors, Hippocrates (hih-POH-krat-ees).

A Greek doctor letting blood out of a patient

This logical system began with the idea that doctors should first of all be careful not to actually harm their patients. Hippocrates sensibly recommended starting treatment with good diet and exercise - that wouldn't hurt anybody. If the patient didn't get better, then the doctor should try medicines. Surgery should only be used as a last resort.

Hippocrates went on to the idea of humors, which was popular all over Europe and Asia at this time, in India and China as well as Greece. The idea of humors may even have gotten started in Greece, where it makes its earliest appearance. Greek doctors like Hippocrates believed that people were made out of four substances: blood, black bile, yellow bile, and phlegm (pronounced FLEM) (means boogers).

A leech

If you were healthy, that was because your four humors were balanced. You had the right amount of each one. But if you had too much of one humor, you would be unbalanced and you would feel ill. For instance, if you looked pale, that meant you had too little blood and you should eat liver, which has a lot of blood in it. This would totally work, because people are often pale from anemia, a shortage of iron, and liver does have a lot of iron in it.

On the other hand, Greek doctors also thought that if you had too much blood, that would give you a fever. So your medical treatment should be to reduce the amount of blood in your body. Greek doctors did this by cutting your arm until blood ran out. This was supposed to help bring down your fever. Or they put leeches on your arm to suck the extra blood out. They did this so often that doctors were sometimes called "leeches". And they thought it was such a good idea that doctors were still letting blood about 150 years ago, even though it just made people worse or even killed them!

Greek doctors also believed that some climates tended to increase the amount of some humors in your body. If you lived in a wet, cold climate, that would tend to increase the amount of phlegm, for instance. One treatment might be to move to a drier, warmer climate to balance out your humors again.

These ideas are all wrong (as the Islamic doctor Al Razi pointed out about 900 AD), but the idea that you could learn to understand and treat diseases by using careful observation and logical thought is very important to modern medicine.

Learn by doing: compare Greek medicine to Chinese medicine
Or compare it to Indian medicine
More about Roman medicine

Bibliography and further reading about Greek medicine:

Greek and Roman Science, by Don Nardo (1998). Nardo has written a lot of good easy to read books about the ancient world; this one is no exception.

Hippocratic Writings, by Hippocrates and others. Translated by G.E.R. Lloyd. What the Greeks themselves had to say about medical theory and practice.

Hippocrates, by Jacques Jouanna and M. B. Devevoise (1999). A commentary on the Hippocratic writings and Greek medicine in general, for adults.

More about Roman medicine home

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Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram or Twitter, or buy her book, Vandals to Visigoths.
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