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Title: Medieval Bloodletting
Caption: Like the ancient Greeks, Muslim physicians believed that bleeding a patient could cure many diseases. Although this practice seems crude today, the early doctors knew a great deal about blood and how it traveled around the body. One 13th century Egyptian writer, Ibn an-Nafis, wrote about the circulation of blood some 400 years before this was discovered in Europe.
Credit: Album / NYPL/SCIENCE SOURCE
Image size: 3579 × 3253 px | 33.3 MB
Print size: 30.3 × 27.5 cm | 1409.1 × 1280.7 in (300 dpi)