1900+-+2000-+20th+Century+-+research+and+development

**Advancements, role of science, effect on society**
From 1901 to the year 2000 the life expectancy went up thirty years. Some major advancements in medicine in the 20th century are the invention of penicillin, insulin, vaccinations and medical images such as x-rays. Another would be artificial lung and heart machines to keep patients alive during serious surgeries. This also helps the success rate of surgeries much higher and the surgery is safer. The development of Chemotherapy affected society because it helped cure cancer and many people had a chance to live. Science played a large role in society in the 20th century. Technological advances allowed scientists to research and find new ways to cure diseases such as small pox.
 * Anyone doing the homework page, our ten facts did not save, sorry.**
 * In** the 1980s The World Health Organization announced that the deadly small pox had been completely erradicated.

Vaccination: although first described by Edwark Jenner in the 18th century, mass vaccination programmes were undertaken to prevent deaths from diseases such as yellow fever, poliomyelitis, measles, mumps and rubella. In 1980 the World Health Organization announced that the deadly smallpox virus had been completely eradicated.

[]. Works Cited

"Infectious Diseases and Their Treatment." //Schoolscience.com//. Web. 3 Oct. 2011. [].

"20th Century Medicine." //Thinkquest.org//. Education Foundation. Web. 3 Oct. 2011. [].

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