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And medication was important,
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because they did practice,
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Hippocratic physicians, internal medicine.
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Examples were to promote evacuation by providing emetics,
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sudorifics, purgatives or diuretics.
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And most important perhaps was a primacy of venesection--
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by which I mean bloodletting or phlebotomy--
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that became the hallmark of the orthodox physician.
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Medicine, in other words,
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was conceived as a process of addition and subtraction,
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adding what is wanting and subtracting what is in excess.
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Now, you may have your doubts about venesection.