Illicit drug use costs the United States approximately $181 billion every 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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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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There are more bacteria in your mouth than there are people in the world.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199
A mother and her pups in a suburban yard in late May