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the smallpox vaccine was created by Edward Jenner. At first many doctors did not like the vaccine because Jenner was reciving alot of money. http://www.jennermuseum.com/vaccination.html
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this was the first billion in population. http://cdn.zmescience.com/wp-content/uploads/2014/10/world_population_1050_to_2050.jpg
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The first rubber condom was created by Charles Goodyear. It was made to protect the user from STDs and an unwanted pregnancy. these latex ones were a lot nicer than the animal intestine 'predecessor' http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3649591/
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the first syringe created in 1844 but was only used in 1853. The first time it was used to inject a sedative to treat neuralgia. The were to parts that were invented by to different people. one was the hollow syringe and the other one was the actual syringe taht contained the medicine. http://www.exchangesupplies.org/article_history_of_injecting_and_development_of_the_syringe.php
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It was invented by Joseph Lister due to infections after a surgey that were killing up to almost half of his patients after surgery. Firstly he invented a spray, but it was short lived due to the fact that it was toxic when breathed in. A later design worked with using this liquid on a special band aid. http://www.abpischools.org.uk/page/modules/infectiousdiseases_timeline/timeline5.cfm?coSiteNavigation_allTopic=1
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the first band aid was made by Thomas Anderson and Earle DIckson for his wife that cuts herself a lot. At first it wasn't very popular and were hand made, they only started being popular in 1942 as millions were sent over seas to aid the allied war effort. http://www.band-aid.com/brand-heritage/history-info
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this was also the start of an intense and fast growth of the population http://cdn.zmescience.com/wp-content/uploads/2014/10/world_population_1050_to_2050.jpg
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chemotherapy was invented by Alfred Gilman and Louis Goodman. It was origanally used to treat lymphomas by using a weaker version of mustard gas to supress the cancer cells. http://www.news-medical.net/health/History-of-Chemotherapy.aspx
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Penicillin was created in 1928 by accident by Sir Alexander Fleming . Penicilin is an antibiotic that is used to treat various infections caused by bacteria. http://www.drugs.com/penicillin.html http://blog.europeana.eu/2012/08/a-happy-accident-flemings-penicillin/
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The first kidney translpant on humans was made in 1954 by Joeseph E. Murray. he did this on two twins. https://web.stanford.edu/dept/HPS/transplant/html/history.html
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world reches first 5 billions. http://cdn.zmescience.com/wp-content/uploads/2014/10/world_population_1050_to_2050.jpg
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current world population.
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