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The barbers didn't only cut hair, they performed surgery on people too. After an operation the bandages would be hung on a staff or a pole and sometimes placed outside the shop as an advertisement.
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Medical care finally became regulated, when physicians became licensed and had to start reading the books and training with experienced doctors.
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Jacoba Felicie was trying to practice medicing, but was denied. Then she was also tried for practicing medicine without a license.
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Zacharius Jannssen invents the microscope.
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Anton van Leeuwenhoek refines the microscope in 500 different model fashions.
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William Harvey describes and tells how blood is pumped through the body.
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English architect Sir Christopher Wren is the first to experiment on dogs.
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English architect Sir Christopher Wren also experiments with human blood and makes transfusions during this time.
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James Lind discovers that citrus fruits help prevent the disease scurvy.
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Edward Jenner develops a method to protect people from smallpox by exposing them to the cowpox virus.
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Sir Humphry Davy announces the anesthetic properties of nitrous oxide.
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René Laënnec invents the stethoscope.
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American surgeon Crawford W. Long uses ether as a general anesthetic during surgery but does not publish his results.
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First successful human blood transfusion using Landsteiner's ABO blood typing technique
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Insulin first used to treat diabetes.
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First vaccine for influenza.
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South African heart surgeon Dr. Christiaan Barnard performs the first human heart transplant.
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Dolly the sheep becomes the first mammal cloned from an adult cell (dies in 2003).
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Rhazes discovered the difference between smallpox and measles.
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Rhazes suggests that blood is the reason that we have infectious diseases.