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Did you know?
There are more bacteria in your mouth than there are people in the world.
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There are 20 feet of blood vessels in each square inch of human skin.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Excessive alcohol use costs the country approximately $235 billion every year.
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