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4000 BCE
Primitive Times
- Diseases and illnesses were thought to be caused by evil spirits, or be punishment from the gods.
- Illness was treated by ceremonies led by a tribal witch doctor.
- Plants and herbs were used as medicines.
- Trepanation - surgically removing a piece of bone from the skull - was used.
- The average life span was 20 years.
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3000 BCE
Ancient Egyptians
- The physicians were priests
- The first health records were recorded by the ancient Egyptians
- Bloodletting or the use of leeches were used as medical treatment.
- The average lifespan was 20 to 30 years
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1700 BCE
Ancient Chinese
- Believed in the need to treat the whole body by curing the spirit and nourishing the body
- Recorded a pharmacopeia- a book containing descriptions of medicines (effects and directions for use)- mainly on the use of herbs
- Began to research medical reasons behind illness
- Average lifespan of 20-30 years
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1200 BCE
Ancient Greeks
- Hippocrates (Father of medicine) and other physicians began emerging
- The first to observe the human body and the effects of disease- this led to modern medical sciences
- Believed illness is a result of natural causes
- Used therapies(Massage, art therapy, herbal treatment)
- Stressed diet, hygiene, and exercise as ways to prevent disease
- Average life span was 25-35 years
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753 BCE
Ancient Romans
- First to organize medical care by providing care for injured soldiers
- Later hospitals were religious and charitable institutions in monasteries and convents
- First public health and sanitation systems by building sewers and aqueducts
- Galen established the belief that the body was regulated by four body humors; Blood, phlegm, black bile, and yellow bile
- Life span was 25-35 years
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400
Dark ages
- Emphasis on saving the soul and the study of medicine was prohibited
- Prayer and divine intervention were used to treat illness and disease
- Monks and priests provide custodial care for sick people
- Medications were mainly herbal mixtures
- Disease cause was still blamed on circumstance, but with no understanding
- Average life span was 20-30 years
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800
Middle ages
- Renewed interest in medical practices of Greek and Romans
- In 1100 AD, Arabs began requiring physicians to pass examinations in Europe and obtain licenses
- 1346-1353, Bubonic plague killed 75% in Europe and Asia
- Major diseases included- smallpox, diphtheria, tuberculosis, typhoid, the plaque, and malaria
- 1220-1255, Medical universities were established
- Average life span was 20-35 years
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1350
Renaissance
- Science of Medicine was reborn
- Body directions led to increased understanding of anatomy and physiology
- 1440: Invention of the printing press allowed medical knowledge to be shared
- 1543: First anatomy book was published by Andreas Vesalius
- Cause of disease was still a mystery
- Average lifespan was 30-40
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1500
16th and 17th Centuries
- Knowledge regarding the human body greatly increased
- 1500s: Ambroise Pare- A French surgeon known as the Father of Modern Surgery- established the use of ligatures to stop bleeding
- 1600s: Apothecaries- early pharmacists- made, prescribed, and sold medications
- 1670: Invention of the microscope-- allowed physicians to see disease-causing organisms
- Cause of disease still not known-- many people died from infections--
- Average lifespan 35-45 years
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18th Century
- 1714: Gabriel Fahrenheit created the first mercury thermometer
- 1760: Benjamin Franklin invented bifocals
- 1778: John Hunter established scientific surgical procedures and introduced tube feeding
- 1798: Smallpox vaccine discovered
- Average lifespan 40-50 years
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19th Century
- Rapid advancements due to the discoveries of microorganisms, anesthesia, and vaccinations
- 1816: Invention of the stethoscope
- 1860: Formal training for nurses began-- women became active participants in healthcare
- 1893: First Open Heart Surgery -- Infection control developed once microorganisms were associated with disease
- 1895: X-Ray Machine is Developed
- Average lifespan was 40-60 years
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20th Century
- Rapid Growth in healthcare
- 1901: ABO blood groups discovered-- Found out how white blood cells protects against disease
- New medications are developed
- 1922: Insulin discovered and used to treat diabetes
- 1928: Antibiotics developed to fight infections
- New machines are developed
- 1943: Kidney Dialysis Machine
- 1953: Heart Lung Machine
- Surgical and diagnostic techniques developed to cure once fatal conditions
- 1953: Structure of DNA is discovered and research in gene therapy begins
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21st Century
- 2001: The totally implantable artificial heart was placed in a patient in Louisville, Kentucky
- 2003: Human Genome Project Completed
- Mapped out human disease in an effort to get a handle on genetic and autoimmune diseases
- 2005: Face transplants
- Vaccines - HPV, Malaria, Ebola
- Prevent Cervical Cancer