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  Believed illness was caused by supernatural spirits
 Tribal witch doctors treat illness with ceremonies to drive out spirits
 Herbs and plants used as medicine, some used today
 Putting a hole in a skull was used to treat insanity and epilepsy
 life span was 20 years
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  Earliest people known to maintain health records
 Used magic and medicinal plants to treat disease
 Leeches and bloodletting were used to unclog "channels"
 Called upon the gods for healing when sick
 Life span was 20-30 years
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  Began modern medical science by observing the human body and effects of disease
 Hippocrates developed an organized way to look at the human body
 Believed Illness is a result of natural causes
 Stressed diet and hygiene to prevent disease
 Lifespan was 25-35
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  Monitored the pulse to determine condition of the body
 Religious prohibitions against dissection made people not know about the inside of body
 Used acupuncture to relieve pain and congestion
 Began the search for medical reasons for illness
 Average life span was 20-30 years
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  Created aqueducts to carry clean water to cities
 Diet, exercise, and medications were used to treat disease
 Early hospitals developed when physicians cared for ill people in rooms in their homes
 First to organize health care by providing care for injured soldiers
 Life span was 25-35 years
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  Emphasis was placed on saving the soul and the study of medicine was prohibited
 Prayer and divine intervention were used to treat illness
 Monks and priests provided custodial care for sick people
 Medications were mainly herbal mixtures
 Average life span 20-30
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  Renewed interest in the medical practice of Greeks and Romans
 Physicians began to obtain knowledge at medical universities in the 9th century
 The bubonic plague killed more 3 quarters of the population in europe and asia
 Arabs began requiring that physicians pass examinations and obtain licenses
 Life span was 20-35
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  Rebirth of science of medicine
 Dissection of the body began to allow a better understanding of anatomy and physiology
 Development of the printing press allowed knowledge to be spread to others
 First book on dietetics written by Isaac Judaeus
 Life spane was 30-40 years
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  First successful blood transfusion on animals performed in England in 1667
 Scientific societies, such as the Royal Society of London were established
 Causes of the disease were still not known and many people died from infections and puerperal fever.
 Bartolomeo Eustahio identified the eustachian tube from the ear to the throat
 Life span was 35-45 years
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  Louis Pasteur proved microorganisms cause disease
 Rene Laennec invented the stethoscope in 1816
 Joseph Lister started using disinfectants and antiseptics during surgery to prevent infection
 Wilhelm Roentgen discovered xrays in 1895
 Life span was 40-60 years