History of medicine- ruby lewers

  • primitive times
    4000 BCE

    primitive times

    • illness and disease were caused by evil spirits/demons /punishment from the gods
    • tribal witch doctor treated illness with ceremonies
    • herbs and plants used as medicines
    • surgically removing bone from the skull
    • average life span was 20 years
  • ancient egyptians
    3000 BCE

    ancient egyptians

    • physicians were priests
    • bloodletting or leeches used as medical treatment
    • average life span was 20-30 yrs
  • ancient chinese
    1700 BCE

    ancient chinese

    • believed in the need to treat the whole body by curing the spirit and the whole body
    • medications based on herbs
    • therapies such as acupuncture
    • began searching for medical reasons for illness
    • life span 20-30 years
  • ancient greeks
    1200 BCE

    ancient greeks

    • hippocrates and other physicians
    • first to observe the human body and the effects of disease
    • believed illness is a result of natural causes
    • therapies such as massage, art, herbal treatment
    • diet, hygiene, and exercise used to prevent disease
    • life span 25-35 years
  • ancient romans
    753 BCE

    ancient romans

    • first to organize medical care by providing care for injured soldiers
    • later hospitals were religious and charitable
    • first public health and sanitation systems by building sewers and aqueducts
    • body was regulated by blood, phlegm, black bile, yellow bile
    • life span 25-35 years
  • dark ages
    400

    dark ages

    • emphasis on saving the soul and study of medicine was prohibited
    • prayer and divine intervention were used to treat illness and disease
    • monks and priests provide custodial care for the sick
    • herbal meds
    • life span 20-30 yrs
    • disease cause based on circumstance
  • middle ages
    800

    middle ages

    • renewed interest in medical practices of greek and romans
    • 1100 arabs began requiring physicians pass examinations & get licensed
    • bubonic plague killed 75% of population in europe and asia
    • smallpox, diphtheria, tuberculosis, typhoid, the plague, malaria
    • medical universities were made
    • life span 20-35 yrs
  • renaissance
    1350

    renaissance

    • rebirth of science and medicine
    • body dissections led to increased understanding of anatomy
    • invention of printing press allowed medical knowledge to be shared
    • first anatomy book was published by andreas vesalius
    • life span 30-40 yrs
    • disease still was a mystery
  • 16th and 17th centuries
    1500

    16th and 17th centuries

    • knowledge regarding the human body increased
    • ambroise pare used ligatures to stop bleeding
    • apothecaries made, prescribed, and sold meds
    • invention of the microscope
    • life span 35-45 yrs
    • cause of disease still unknown
  • 18th century

    18th century

    • gabriel fahrenheit created the first mercury thermometer
    • benjamin flanklin invented bifocals
    • john hunter established scientific surgical procedures and tube feeding
    • smallpox vaccine discovered
    • life span 40-50 yrs
  • 19th century

    19th century

    • rapid advancements due to discoveries of microorganisms, anesthesia, vaccinations
    • x-ray machine developed
    • first open heart surgery
    • invention of the stethoscope
    • formal training for nurses began
    • life span 40-60 yrs
  • 20th century

    20th century

    • ABO blood groups discovered
    • found out how white blood cells protect against disease
    • new meds were developed
    • insulin discovered
    • antibiotics developed
    • new machines developed
    • structure of dna discovered and research in gene therapy begins
    • first bone marrow transplant
    • test tube babies
    • organ transplants
    • many vaccines
  • 21st century

    21st century

    • laparoscopic surgery
    • target cancer therapies
    • smoke free laws
    • advances in hiv meds
    • rapid advances in stem cell research
    • first implantable artificial heart
    • human genome project complete
    • face transplants
    • vaccines- HPV, malaria, ebola