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In 1628, William Harvey published his new theory that the heart acts as a muscular pump which circulates blood around the body in the blood vessels.
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Samuel Hahnemann rages against the prevalent practice of bloodletting as a universal cure and founds homeopathy
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Edward Jenner develops a smallpox vaccination method
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Humphry Davy discovers the anesthetic properties of nitrous oxide
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After losing battles against cancer, millions dead, finally the cure was found.
