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Did you know?
There are 60,000 miles of blood vessels in every adult human.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are more sensory neurons in the tongue than in any other part of the body.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.