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This book describes how blood is pumped throughout the body by the heart, and then returns to the heart and recirculates. The book is very controversial but becomes the basis for modern research on the heart and blood vessels.
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Benjamin Franklin invents the bifocals in 1784.
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The stethoscope was invented by Rene Laennec in 1816.
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Florence Nightingale opens her first school of nursing and midwifery.
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Lister was convinced of the need for cleanliness in the operating room, a revolutionary idea at the time. He develops antiseptic surgical methods, using carbolic acid to clean wounds and surgical instruments. The immediate success of his methods leads to general adoption. In one hospital that adopts his methods, deaths from infection decrease from nearly 60% to just 4%.
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According to germ theory, a specific disease is caused by a specific organism. Before this discovery, most doctors believe diseases are caused by spontaneous generation. In fact, doctors would perform autopsies on people who died of infectious diseases and then care for living patients without washing their hands, not realizing that they were therefore transmitting the disease.
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The first American Red Cross is established on May 21, 1881. The Red Cross is established by Clara Barton.
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Discovered by Wilhelm Roentgen. The x-ray allowed doctors to see inside the body to discover what was wrong with the patient.
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The influenza flu infected over 500 million world wide. It was a very deadly epidemic.
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Her name was Louise Brown and she was the first test-tube baby born.
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