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In 1864, the first barbiturate (barbituric acid) was synthesized.
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There are more bacteria in your mouth than there are people in the world.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.