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•Humans had to protect themselves against predators
•Herbs and plants used as medicine -
•Earliest to keep accurate historical records
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•Avoided medical practice
•Concentrated on health rules of food, cleanliness, and quarantine -
•First to study cause of disease
•Aesculapius: staff and serpent symbols of medical -
•Learned from Greeks and developed sanitation system
•First to organize medical care -
•Terrible epidemics
•Bubonic plague (Black Death) -
•Crusaders spread disease
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•Universities and medical schools for research
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•Leonardo da Vinci: anatomy of body
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•William Harvey: circulation of blood
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•Edward Jenner: smallpox vaccination
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•Louis Pasteur: discovered that microorganisms cause disease (germ theory of communicable disease)
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•Acute infectious disease (Diphtheria,TB, rheumatic fever)
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•Alexander Fleming: discovered penicillin
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• Immunization common, antibiotic cure, safer surgeries, transplants, increase lifespan, chronic degenerative diseases, new health hazards (obesity, neuroses, lung cancer,hypertension), disintegrating families, greatly increasing medical costs
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• Artificial parts, bio-engineering, cloning, bio-ethical issues, AIDs, drug-resistance organisms, laser surgeries, laparoscopic surgeries, managed healthcare