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Alcmaen of Croton distinguished veins from arteries
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The first pharmacy was established in Baghdad in 754
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Discovered difference between small pox and measles
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Ergot poisonings killed thousands of people, it was cause by Ergot, a type of fungus growing on rye and grains during wet seasons.
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Avicenna writes The Book of Healing and The Canon of Medicine
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Quarantine was done for the first time due to the "Black Death" diseases. It was done to prevent the healthy people from getting sick due to sick people being around them and contaminating them.
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Leonardo Da Vinci dissect a corpses for the first time.
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First written record of a mother and a baby both surviving a cesarean section.
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Zacharias Jannssenn invents the microscope.
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Anton discovers red blood cells.
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Claudius Aymand performs the first successful appendectomy
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Edward Jenner develops the process of vaccination for small pox, it is the first vaccine for any disease.
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The profession of Dentistry was passed in the U.K.
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The first contact lenses was developed
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Felix Hoffmen develops aspirin
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Bubonic Plague hits San Francisco
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The virus that causes AIDS is identified
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Used sterile maggots for infectious wound treatment
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a vaccine to prevent cervical cancer was approved
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Scientist discover how to use human skin cells to create embryonic stem cells.