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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
In 1864, the first barbiturate (barbituric acid) was synthesized.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
On average, the stomach produces 2 L of hydrochloric acid per day.
Everyone has one nostril that is larger than the other.
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