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Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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There are approximately 3 million unintended pregnancies in the United States each year.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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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Video: Kidney Stones

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