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There are approximately 3 million unintended pregnancies in the United States each year.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.