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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.