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Period: 4000 BCE to 3000 BCE
Early beginnings
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3900 BCE
Diseas caused by
Supernatural spirits -
3600 BCE
Treatments for sick
Exorcise evil spirits -
2900 BCE
Ancient Egyptians
Earliest people to keep accurate health records.
Priests acted as physicians.
They used medicines to heal disease. -
1987 BCE
Ben Carson
Continues to be a pioneer in separating Siamese twins and performing hemispherectomies, surgeries on the brain to stop seizure. -
1968 BCE
Christian Barnard
Performed the first successful heart transplant. -
1962 BCE
Francis Crick and James Watson
Discovered the molecular structure of DNA, based on its known double helix. Their model served to explain how DNA replicates and how hereditary information is coded on it. -
1961 BCE
Albert Sabin
Used a live polio virus vaccine, which is more effective. This vaccine is used today to immunize babies against polio. -
1955 BCE
Jonas Salk
Discovered that a dead polio virus would cause immunity to poliomyelitis. This virus paralyzed thousands of adults and children every year. It seemed to attack the most active and athletic people. -
1945 BCE
Gerhard Domagk
Discovered sulfonamide compounds. These compounds were the first medications effective in killing bacteria.They changed the practice of medicine by killing deadly diseases. -
1930 BCE
Sigmund Freud
Discovered the conscious and unconscious parts of the mind. He determined that the mind and body work together. This led to an understanding of psychosomatic illness (physical illness caused by emotional conflict). His studies were the basis of psychology and psychiatry. -
1928 BCE
Sir Alexander Fleming
Found that penicillin killed life-threatening bacteria. -
1925 BCE
Anesthesia
Anesthesia is the loss of feeling or sensation. Before the nineteenth century, pain was serious problem. Surgery was performed on patients without anesthesia. Ether, and Chloroform were discovered. These drugs have the ability to put people into deep sleep so that they do not experience pain during surgery. -
1920 BCE
Wilhelm Roentgen
Discovered X-rays in 1895. His discovery allowed doctors to see inside the body and helped the discover what was wrong with the patient. -
1912 BCE
Paul Ehrlich
Discovered the effect of medicine on disease- causing microorganisms. His treatment was affective against some micro-organisms but was not effective in killing other bacteria. His discoveries brought about the use of chemicals to fight disease. -
1910 BCE
Robert Koch
Discovered many disease-causing organisms. He developed the culture plate method to identify pathogens and also isolated the bacterium that causes tuberculosis. He also introduced the importance of cleanliness and sanitation in preventing the spread of disease. -
1905 BCE
Ernst von Bergmann
Developed asepsis. He developed a method to keep an area germ-free before and during surgery. -
1895 BCE
Joseph Lister
Learned about Pasteur’s discovery that micro-organisms cause infection. He became the first doctor to use an antiseptic during surgery. -
1892 BCE
Dmitri Ivanovski
Discovered the conscious and unconscious parts of the mind. He determined that the mind and body work together. -
1885 BCE
Louis Pasteur
Known as the “Father of Microbiology,” discovered that tiny microorganisms were everywhere. Through his experiments and studies, he proved that microorganisms cause disease. -
1860 BCE
Ignaz Semmelweis
Identified the cause of childbed fever (puerperal fever). -
1860 BCE
Florence Nightingale
She came from a cultured, middle-class family who opposed her interest in caring for the ill. During the Crimean war, she took 38 women to care for soldiers dying from cholera. -
Period: 1801 BCE to 2000 BCE
19th and 20th Centuries
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1799 BCE
Rene Laennec
Invented the stethoscope. The first stethoscope was made of wood. It increased the ability to hear the heart and lungs, allowing doctors to determine if disease was present. -
1796 BCE
Edward Jenner
Discovered a method of vaccination for smallpox. His discovery saved millions of lived. His discovery also led to immunization and to preventive medicine in public health. -
1755 BCE
Joseph Priestley
Discovered the element oxygen. He also observed that plants refresh air that has lost its oxygen, making it usable for respiration. -
1750 BCE
Medical students learning
When a patient died, students dissected the body and were able to observe the disease process. This led to a better understanding of the causes of illness and dead. -
1730 BCE
Benjamin Franklin
He Discovered a method of vaccination for smallpox. His discovery saved millions of lives. His discovery also led to immunization and to preventive medicine in public health. -
Period: 1701 BCE to 1800 BCE
18th Century
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1675 BCE
Apothecaries
In additions, apothecaries, early pharmacies, started in this time. In medieval England, these apothecaries engaged in a flourishing trade in drugs and spices from the East. -
1666 BCE
Antonie von Leeuwenhoek
Invented the microscope, establishing that there is life smaller than the eye can see. He scraped his teeth and found the bacteria that causes tooth decay. -
1628 BCE
William Harvey
Used this knowledge to understand physi-ology, and he was able to describe the circulation of blood and the pumping of the heart. -
1563 BCE
Bartolommeo Eustachio
Discovered the tube leading from the ear to the throat (Eustachian tube) -
1550 BCE
Gabriele Fallopius
Discovered the fallopian tubes of the female anatomy. -
1515 BCE
Leonardo da Vinci
Studied and recorded the anatomy of the body. See da Vinci’s depiction of the human body. -
Period: 1501 BCE to 1700 BCE
16th and 17th Centuries
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1450 BCE
Rebirth
The building of universities and medical schools for research.
The acceptance of dissection of the body for study.
The development of the printing press and the publishing of books. Allowing greater access to knowledge from research. -
Period: 1350 BCE to 1650 BCE
Renaissance
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1100 BCE
Epidemics
Diseases affecting many people at the same time. Terrible epidemics caused millions of deaths during this period. -
900 BCE
Ancient Greeks
First to study the causes of disease and to determine that illnesses may have natural natural, rather than spiritual, causes. Dissection- Act or process of dividing taking apart. Hippocrates is considered the father of medicine. -
Period: 800 BCE to 1400 BCE
Middle Age
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700 BCE
How do they treat disease?
The primary treatment was prayer. -
500 BCE
Why Stopped the study of medicine?
because the church believed that life and death were in God’s hand, monks didn’t care how the body functioned. -
Period: 400 BCE to 800 BCE
The Dark Ages
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Ancient Chinese
First to use primitive acupuncture therapies.
Learned to treat a variety of illness and disease with stone tools. Developed into the advanced practice of Chinese acupuncture. -
Period: to
21st century
- The possibility of eliminating disabling disease through genetic research.
- The ability to reattach severed body parts.
- The ability to use noninvasive techniques for diagnosis.
- The advancement in caring for the unborn fetus.
- The ability to transplant organs from a donor to a recipient
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Period: to 399
Ancient Times
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Medicines used today
Digitalis used for heartbeat
Quinine used for fever
Belladonna used for (GI) pain
Morphine used for severe pain