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Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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The longest a person has survived after a heart transplant is 24 years.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.