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  They believed sickness was caused by demons and spirits. Witch doctors preformed ceremonies to drive out the demons. They also used trepanation to treat insanity and headaches.
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  Earliest to maintain health records. Prayed to God to heal them. Doctors were priests, used leaches to “unclog” blood. Average lifespan 20 to 30 years.
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  Treated the whole body by curing the spirit, used moxibustion, used acupuncture, herbs, life span 20 to 30 years.
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  Began modern medical science, dissected animals to compare anatomy, used herbal treatments and therapy, life span 25 to 35 years
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  Used diets, exercise, and medications to treat illness, start of aqueducts, first to organize medical care for soldiers, drained marshes to reduce malaria.
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  Study of medicine was prohibited, they used prayer and divine intervention, ill were treated by monks and priests, mainly herb, 20 to 30 year
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  Renewed medical practice, physicians went to medical universities, a pandemic killed 3/4 people, used animal gut for sutures, blood was thought to be the cause of diseases,