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There are 60,000 miles of blood vessels in every adult human.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.