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1982

In 1982 William Devries implanted the first artificial heart. Artificial hearts are useful due to the fact that they might help a person with a damaged heart.

1956

In 1956 obstertrician Ian Donald and engineer Tom Brown developed the ultrasound. This lets us know how the baby develops.

world war II

During World War II, it was discovered that people exposed to Nitrogen Mustard developed significantly reduced white blood cell count. This discovery has developed the method chemotherapy. And has helped people with Leukemia

1928

Alexander Fleming discovered penicillin. Penicillin disinfect infections causing bacteria.

1900-1901

Discovery of blood types were made in 1900-1901 by Karl Landsteiner. knowing the types of blood will help with blood transfusion

1895

In 1895 Wilhelm Roentgen discovered x-rays. X-rays help discover if there are any fractured bones

History of Health Science

1893

1881

In 1893 Daniel Hale Williams did the first ever successful open heart surgery. This can save many people's heart.

the blood pressure machine also known as the sphyhmomanometer was invented by Samuel Siegfried Karl Ritter in 1881. This invention is significant due to how it measures the pressure of our heartbeats

1865:

Joseph Lister used antiseptics during surgery. This is very important in the history of health care because the usage of antiseptics will keep away bacteria.

1869

1806

In 1869 Swiss Physiological chemist friedrich Miescher identified "nuclein" inside the human blood cell. which later on became the tern nucleic acid then became DNA.

Morphine was discovered by Freidrich Wilhem Adam Serturner in 1806. Morphine helps people with severe pain and is still used today.

1819

Rene Laennec invented the stethocope in 1819. This invention has helped by its ability to hear whats going on inside the body. Such as heart beats

1796

Edward Jenner developed a smallpox vaccine. Helped demolish smallpox.

1667

1268

the first ever blood transfusion was performed by the Frenchman Jean-Baptiste Denis in June 1667 in Paris. Blood transfusions have helped people with severe decrease in blood level

5th century

The inventor of the first eyeglasses seems to be unknown but it seems they were invented around 1268. This invention has helped other people see better.

Humphrey Davy discovered anesthetic properties of Nitrous Oxide in 1799. this helps patients to ease their pain

The oldest surgical procedure for cataract surgery is dated to be in the fifth century BC. The one who performed the surgery is unknown. This surgery restores clear vision. It has helped many people with damaged eye lens.

1799

1670

9th century

1665

Due to Anton Von Leeuwenhoek’s invention of the Microscope in 1666 it led him to discover Bacteria and algae in the late 1670 . This discovery has helped us learn the possible causes of diseases

earliest documented hospital is dated to be in the 9th century located in Baghdad. This has helped other people from getting sick and getting diseases.

In 1665 Robert hook an English Scientist and Microscopist described honeycomb like cellulae in a cork slice using his primitive compound microscope. due to his discovery of cell like things it has helped many doctors learn more about the human body

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